Tool 450 nodes

Server-side web application framework written in Ruby.

Dynamic, object-oriented programming language.

Ruby gem providing an event store and event-driven infrastructure for Rails.

In-process relational database engine.

Open-source relational database.

Background job processor for Ruby applications.

Ruby implementation on the JVM with true parallelism and Java interop.

GitHub-originated Rails gem for building reusable, testable view components.

Mutation testing tool for Ruby created by Markus Schirp.

Ruby gem for building HTML views as pure Ruby objects.

Stripe-authored gradual static type checker for Ruby.

Ruby framework offering high-level architecture above Rails with operations, cells, and form objects.

HTML-over-the-wire front-end stack: Turbo (Drive/Frames/Streams) plus Stimulus.

Query language and runtime for APIs from Facebook.

Container platform for packaging and running applications.

Vendor-neutral standard for distributed tracing and metrics.

Component-based JavaScript library for building user interfaces.

Ruby gem modeling HTML forms as their own validation-aware objects.

Ruby gem by Joel Drapper providing composable runtime types built on the === interface.

Streaming point-in-time backup utility for SQLite databases to S3-compatible storage.

Modest JavaScript framework from Basecamp/DHH that augments server-rendered HTML.

Modular Ruby web framework positioned as a Rails alternative.

Rails admin UI gem that generates admin panels from models.

Popular Ruby gem providing authentication for Rails applications.

Minimal Ruby test framework from Eventide; self-testable, composable, fixture-oriented.

HTML-over-the-wire library providing Drive, Frames, and Streams for Rails and beyond.

Native iOS/Android library extending Turbo Drive for hybrid apps.

Rails framework for WebSocket-based real-time features.

Command-line tool for transcoding and processing audio/video.

Ruby's official type-signature language.

Open-source Ruby on Rails e-commerce platform.

Fiber-based asynchronous I/O framework for Ruby.

Open-source Ruby gem for building LLM-powered applications, agents, and RAG systems.

Framework for optimistic, real-time UI treating client and server as a distributed system.

Microsoft-authored typed superset of JavaScript compiling to plain JS.

Ruby gem for stubbing HTTP requests and verifying HTTP calls in tests.

Google-born RPC framework using HTTP/2 and Protocol Buffers.

Docker-based deployment tool for web apps with blue-green deploys and a built-in proxy.

Clojure library for building graph APIs via composable resolvers.

Common Ruby web-server interface underlying all major Ruby web frameworks.

Mature Ruby logging library supporting structured JSON payloads and appenders.

Error tracking and alerting service.

Utility-first CSS framework.

Amazon's cloud infrastructure platform.

Ruby gem packaging production-ready SQLite configuration and Active Record enhancements for Rails.

PaaS for deploying Ruby and web applications.

Binary, multiplexed successor to HTTP/1.1.

Functional Ruby gem for image processing with ImageMagick and libvips backends.

Ruby's built-in lightweight testing framework with low-level semantics.

Concurrent Rack-compatible Ruby web server.

Ruby behavior-driven testing framework.

Ruby gem wrapping LLM APIs with readable code; growing very fast.

Ruby file-attachment library using external uploader classes.

OpenAI's conversational LLM assistant.

C++ standard library for type-safe durations, time points, and calendars.

Functional, concurrent language on the BEAM VM.

Opinionated JavaScript framework with conventions borrowed from Rails.

Dashboard and alerting tool for time-series metrics.

Ruby gem bringing fine-grained (relationship-based) authorization to Rails.

Framework-agnostic Ruby view gem extracted from Hanami 2.1.

Rails gem providing a browsable UI for ViewComponent previews.

Postgres-backed single-table message store for event sourcing, distributed as a Ruby gem.

Ruby gem for object-level authorization policies.

In-memory data store often used as a pub/sub broker.

Memory-safe systems programming language.

Modular, framework-agnostic Ruby file-attachment library built on Rack.

Shopify CLI for downloading and generating Sorbet RBI type stubs.

Evil Martians toolkit for profiling and speeding up Ruby test suites.

Rails framework for attaching files/images to models.

Arkency Ruby gem for building event-sourced aggregates.

Modern password-hashing function, winner of the 2015 PHC.

HTTP compression algorithm with better ratios than gzip.

Ruby library for static-like type definitions and constraints.

BEAM-VM language with built-in actor-based concurrency and messaging.

Reactor-pattern event-driven I/O library for Ruby.

Ruby gem generating realistic fake data for seeds and tests.

Fiber-based Ruby web server built on the async ecosystem.

ClojureScript full-stack framework using EQL queries for front-end data.

Ruby gem implementing the GraphQL specification for Ruby/Rails apps.

Ruby file-watcher that reruns tests on file change.

Single-node deployment platform for Rails applications.

JavaScript library enabling server-rendered HTML updates via extended HTML attributes.

C/C++ inference engine for running LLMs locally.

Ruby gem by Andrew Kane adding vector search to Postgres and SQLite via Active Record.

JavaScript runtime for backend applications built on V8.

Shopify gem enforcing package boundaries inside a Rails monolith via static analysis.

AT Protocol server aggregating many PDS firehoses into one.

GraalVM-based high-performance Ruby implementation.

Hotwire primitive delivering targeted HTML fragment updates over HTTP or WebSockets.

Modular modern JavaScript library for browser file uploads.

Rails gem implementing row-level multi-tenancy via default scopes.

Rails gem for schema- and database-per-tenant multi-tenancy.

GraphQL platform offering schema visualization, monitoring and client tooling.

Sinatra-based Ruby gem for hosting Bluesky custom feeds.

PostgreSQL extension bundling columnar storage, distributed tables and parallel querying.

Anthropic's LLM, used by Louis as the 'Rubyana Gems' coding assistant.

JVM Lisp dialect offering transactional memory, processes, and threads.

Cloudflare's S3-compatible object storage with no egress fees.

Cloudflare's free Real User Monitoring product tracking core web vitals on real visitors.

Token-based authentication gem complementing Devise for Ruby APIs.

dry-rb IoC container for registering and resolving dependencies.

Ruby library for typed struct definitions built on dry-types.

Eventide Ruby library implementing entity projection with cache and snapshotting.

Low-cost Wi-Fi/Bluetooth microcontroller by Espressif.

Ruby gem for building test fixtures as factory-defined objects.

Ruby HTTP client with pluggable middleware.

GitHub's hosted CI/CD service with self-hosted runner support.

Ember's rendering engine.

Shopify gem for batch-loading associations in GraphQL resolvers.

Statically-typed purely functional language with a sophisticated type system.

Observability SaaS built around OpenTelemetry tracing.

Ruby gem for composing multi-step business interactions as small classes.

Rails gem integrating esbuild/rollup/webpack bundlers via npm scripts.

Rails application starter kit by Chris Oliver with Turbo Native iOS/Android kits.

Kamal's companion reverse proxy that routes and health-checks app containers.

Eventide Ruby library that builds inert null-object substitutes from any class's interface.

Small, embeddable Ruby interpreter authored by Matz.

Microsoft's general-purpose application platform.

Legacy Ruby file attachment library tied to ActiveRecord models.

Metrics collection and monitoring system with a pull model.

Ruby test framework created by Joel Drapper.

Ruby interface file format for Sorbet type signatures separate from implementation.

Generic Ruby event store library, framework-agnostic core of rails_event_store.

Community fork of Spree created when upstream was underactively maintained.

Ruby wrapper around ffmpeg with a DSL and progress tracking.

Online payments company; original author of the Sorbet Ruby type checker.

Peer-to-peer mesh VPN, free for small usage.

Trailblazer-based replacement for Devise shipping predefined auth workflows.

Forking Rack-compatible Ruby web server.

Rails gem implementing row-level multi-tenancy.

AWS content delivery network, also used as a request-proxy exposing geo/IP headers.

AWS managed DNS service with geolocation routing.

AWS object storage service commonly used for user uploads.

Distributed log/streaming platform sometimes used as an event store.

Cloudflare feature that generates and signs SXG packages, including sub-resource hashes.

AWS logging and metrics service.

AWS managed data-transfer service for files.

AWS load balancer with path-pattern redirect rules.

Shopify gem caching Ruby/Rails boot-time work to speed up startup.

Statically-typed systems programming language.

CarrierWave extension for transcoding videos with ffmpeg.

Ruby gem encapsulating view fragments as testable component objects.

Anthropic's terminal coding agent with MCP support.

Clojure dialect compiling to JavaScript.

Ruby concurrency library providing futures, promises, thread pools and tasking abstractions.

Rails gem integrating CSS bundlers (Tailwind, PostCSS, Dart Sass, Bootstrap) via npm scripts.

Ubiquitous data-transfer library/CLI maintained by a small volunteer team.

SaaS observability platform for metrics, logs and traces.

Tiny JS library that morphs server-pushed HTML over SSE into the DOM.

Ruby gem implementing the decider pattern, created as a demo alternative to array-sample.

Eventide Ruby library adding null-coalescing, diagnostic-substitutable dependency attributes.

Devise extension adding two-factor authentication to Rails apps.

Ruby validation library from the dry-rb family.

Extensible Data Notation — Clojure's cross-language data serialization format.

Extremely fast JavaScript/TypeScript bundler.

Official Espressif toolkit for ESP32 built on FreeRTOS.

Log-scanning service that bans IPs attacking SSH and other services.

FFmpeg companion tool that reports media file metadata.

Facebook static type checker for JavaScript.

Ruby gem that eager-loads has_many associations in GraphQL resolvers.

Anton Davydov's Ruby gem for event-driven transport in Hanami apps.

Early Haskell mutation testing tool, a logical predecessor to Mutant.

Honey Badger email-campaign engine with a step/wait DSL for Rails.

Bridge library connecting the Java Servlet API to any Rack-based Ruby app.

Ruby gem implementing JSON API in Rails applications.

High-performance image processing library with a narrower format scope.

Multi-node SQLite replication built by Ben Johnson, successor to Litestream.

Single-binary distribution of llama.cpp that runs models across macOS, Windows, and Linux.

Ruby gem for ergonomic method references.

thoughtbot gem for user self-scheduling in healthcare apps.

Open-source, S3-compatible object storage server, useful for tests.

Reactive state management library for JavaScript.

Lightweight pub/sub messaging protocol for IoT and bidirectional messaging.

Open-source relational database.

Ruby-to-JavaScript transpiler.

OpenAI's flagship LLM; current leader among large language models.

Phusion's Ruby application server with a worker process model.

Postgres performance dashboard by Andrew Kane; finds missing indexes.

Elixir web framework known for low-latency request handling.

GitHub library by Chris Wanstrath that swapped page HTML on link click for SPA-like feel.

Version of Ruby on Rails with Active Storage and Russian-doll caching defaults.

UI bundled with rails_event_store for browsing events, written in Elm.

Facebook framework letting JavaScript render fully native UI components.

Collaborative online whiteboard used for remote EventStorming.

Lightweight Ruby web framework built on a routing tree and plugin system.

Ruby Object Mapper — data-mapper alternative to Active Record.

Ruby implementation written largely in Ruby.

Customer-data and analytics event routing platform.

Ruby framework for implementing robust multi-process servers with supervision.

Ruby gem for consuming the AT Protocol firehose.

Rails application preloader that keeps the app in memory between commands.

Ruby driver gem binding SQLite to Ruby and Active Record.

Ruby static type checker for RBS signatures by Soutaro Matsumoto.

Ruby gem for building declarative, self-documenting REST APIs with railway-oriented pipelines.

thoughtbot gem that anonymizes text into structured JSON before sending to LLMs/APIs.

Hotwire primitive letting independent page regions be loaded and navigated separately.

Extension bringing Hotwire's Turbo to the Laravel PHP framework.

Ubuntu's uncomplicated firewall for host-level port filtering.

New Ruby profiler by John Hawthorne from the Rails core team.

Legacy Rails gem integrating webpack-based JavaScript tooling.

Yet Another Ruby Virtual Machine; MRI Ruby's stack-based bytecode VM.

Shopify-developed just-in-time compiler for MRI Ruby.

Rails 8.1 feature from 37signals for resuming long-running Active Job work.

Rails gem implementing soft deletion via a deleted_at column.

AWS managed container orchestration service.

Ruby configuration library using declarative classes and pluggable loaders.

GraphQL client and server platform with per-field performance metrics.

Apple's media container, progenitor of the ISO base media format.

Application performance and error monitoring service.

Amazon serverless function-as-a-service platform.

Amazon AWS SDK for Ruby; uses Net::HTTP directly.

Java framework for event sourcing, CQRS and DDD built by AxonIQ.

JavaScript compiler enabling next-gen syntax to run today.

Ruby gem for chunking content into meaningful pieces for embedding.

Password-hashing function with a fixed 72-byte input limit.

NPM package declaring supported browser versions for front-end tooling.

Ruby acceptance-test framework simulating user interactions in a browser.

CarrierWave companion gem that moves processing to background workers.

Columnar OLAP database from Yandex for analytical workloads.

Cloudflare's edge compute platform for running JavaScript on HTTP requests/responses.

Distributed SQL database with auto-sharding and geo-aware replication.

Compiled language with Ruby-like syntax and built-in concurrency.

Ruby gem picking tests to run based on code coverage of changed files.

macOS GUI documentation browser for developer API docs.

Rails gem for injecting HTML into existing view markup via selectors.

Devise extension adding token-based authentication for API clients.

Ruby gem for working with AT Protocol DIDs and the PLC directory.

Tool for defining and running multi-container Docker applications.

Distributed search and analytics engine.

Functional language for reliable web frontends, compiling to JavaScript.

Decentralized platform running smart contracts on a distributed state database.

Minimalist web framework for Node.js.

Earlier Ruby HTTP stubbing gem that predated WebMock.

Netflix data-fetching library for unified API graph.

Real-time operating system for microcontrollers.

Chrome DevTools panel for inspecting Fulcro applications.

Statically-typed compiled language suited to concurrent network services.

Alternative JVM with aggressive optimizing JIT (Graal) and polyglot support.

Larger-company visual builder for Bluesky custom feeds.

Ruby gem for analyzing heap dumps produced by ObjectSpace.

Popular macOS package manager created by Max Howell.

Widely used image-manipulation command-line tool and library.

Browser-native mechanism for ES-module URL resolution; core of Rails 7 no-build frontend.

Eventide Ruby library enforcing primitive initializers that only accept and record values.

C-based high-performance Ruby web server with real-time support.

General-purpose object-oriented programming language.

Ruby static site generator, the engine behind GitHub Pages.

JSON-based AT Protocol firehose with much lower bandwidth than CBOR relay.

Atlassian issue tracker used as a business-logic modeling example.

Command-line JSON processor with a Perl-like traversal string syntax.

Email marketing platform with integrations for e-commerce stores including Spree.

Paid server/client solution for evenly distributing parallel RSpec test runs.

JetBrains language for Android and JVM development.

PHP web application framework.

Tools that generate lexers and parsers from a grammar description.

Open-source SQLite fork by Turso with embedded replicas and managed cloud.

Ruby gem wrapping the Litestream Go binary for easy Rails integration.

Centralized log aggregation tool built on JRuby.

Open-source business-intelligence tool for charts and dashboards over a database.

AI image-generation service.

Ruby gem for calling AT Protocol HTTP APIs.

Online collaborative whiteboard used for remote EventStorming.

Java mocking framework for unit tests.

Document-oriented NoSQL database.

Ruby standard-library HTTP client.

Application performance monitoring SaaS.

React meta-framework for server-rendered and static web applications.

High-performance HTTP server and reverse proxy.

Rust HTTP load-testing CLI; described as 'fancy curl'.

Open-source authorization-as-a-service based on Google Zanzibar.

Authorization-as-a-service platform based on Zanzibar-style modeling.

Ruby gem for tracking changes to Active Record models as a version log.

Web tool for migrating AT Protocol accounts between PDSs.

Authorization-as-a-service provider based on Zanzibar-style FGA.

PostgreSQL performance analysis SaaS generating actionable insights.

Lightweight external connection pooler for PostgreSQL.

Ruby real-time web framework built on top of Iodine.

Ruby assertion library showing rich failure messages from plain Ruby expressions.

Lightweight React-compatible alternative optimized for size and speed.

Minimal Rails asset-pipeline replacement for Sprockets in the HTTP/2 / import-maps era.

Google's binary serialization format used by gRPC.

Rack middleware serving static files from a given directory.

Upcoming Rails release with major structured-logging improvements.

Sampling Ruby profiler used to produce detailed method-time breakdowns.

JavaScript state container where actions are dispatched to a central store.

Ruby file-attachment library by CarrierWave's original author.

Older Ruby gem providing per-request thread-local storage.

Ruby static code analyzer and style linter.

Ruby gem for interacting with Asterisk PBX from Ruby.

Ruby port of Browserslist-based User-Agent matching for back-end fallback.

Official package registry and distribution system for Ruby libraries.

Ruby tool compiling Ruby + your code into a single self-contained binary.

Visual feed-builder used by ~80% of Bluesky custom feeds.

Interactive flamegraph viewer used to analyze Ruby profiler output.

Rails asset pipeline gem for concatenating, minifying and fingerprinting assets.

Unreleased Hotwire component standardizing the web-to-native bridge.

Once/DHH-era solution for self-hosted background job processing.

Companion thoughtbot gem for anonymizing LLM interactions.

Pre-built Ruby distribution from the Phusion Passenger team for shipping self-contained Ruby apps.

Hotwire primitive that intercepts link clicks and swaps the body element.

Rails predecessor to Turbo Drive that swapped page HTML on link clicks.

libcurl-based parallel HTTP client gem for Ruby.

Ruby gem that records HTTP interactions and replays them in tests.

Proprietary symbolic programming language behind Wolfram Alpha and Mathematica.

ClojureScript development tool for mounting live React/Fulcro components.

Video conferencing tool used alongside Miro for remote workshops.

Ruby stdlib module for computing unambiguous abbreviations of strings.

Stephen Margheim's gem for implementing transactional, durable workflows inside Active Job.

Revised Pundit-style Ruby authorization gem with additional features.

Pre-made GitHub Action that checks out the repository at the triggering commit.

GitHub Action archiving files from a job for post-run download.

Rails admin framework auto-generating CRUD UIs against Active Record.

Rails gem declaring API view representations inside ActiveRecord models.

Symmetric encryption cipher usable to encrypt passwords with a rotatable pepper.

Commercial CDN offering caching, compression, and image optimization.

AWS hosted media transcoding service.

Google-backed JavaScript SPA framework.

Widely-deployed open-source HTTP server.

Open-source private branch exchange for telephony.

Text-processing programming language; one of the first projects to ship automated tests.

Environmental sensor for temperature, humidity, and pressure.

Ruby gem that automates semantic version bumps, commits and tags.

Ruby authorization gem centralizing abilities in a single file.

Actor-based concurrency library for Ruby.

Major online chess platform, both web and mobile.

Time synchronization daemon, now default on Ubuntu.

Hosted continuous integration service.

Cloudflare's durable workflow product running on Workers/Firecracker VMs.

Hosted code-coverage reporting service with GitHub integration.

OpenAI's terminal coding agent for generating code from natural-language prompts.

Deprecated compile-to-JavaScript language once bundled with Rails.

Popular npm terminal-styling package deliberately sabotaged by its author.

Open-source self-hosted PaaS alternative to Heroku/Vercel.

Hybrid mobile framework (formerly PhoneGap) rendering entire UI in HTML/CSS/JS.

Foundational JavaScript polyfill library downloaded ~30M times per week.

Terminal UI library with a ~30-year-old API.

Ruby stdlib embedded string-to-string key/value stores.

Open-source Ruby on Rails forum and discussion platform.

Ruby stdlib for exposing Ruby objects to remote processes over DRb.

Python server-side web application framework.

Digital Ocean's host metrics agent for CPU, memory, network and alerting.

dry-rb command-line toolkit with rich support for nested commands and documentation.

In-process columnar analytical database, usable from Ruby for fast CSV and OLAP queries.

AWS/'black pyramid' durable-execution workflow product critiqued in the talk.

Framework for building desktop apps using web technologies.

JavaScript linter with configurable rule sets.

Rails integration for thoughtbot's factory_bot Ruby gem.

npm fake-data library sabotaged by its maintainer over lack of funding.

Ruby gem for building MCP servers; largely unmaintained.

UNIX command that identifies file type from magic bytes.

Custom Ruby script that linearly walks git history to find a non-slow commit.

Third-party browser/device fingerprinting service for identifying returning users.

Friendly interactive shell with readable scripting and command abbreviations.

Ruby gem packing multiple boolean flags into a single integer column on a model.

JavaScript positioning library for tooltips, popovers and dropdowns.

Git command performing binary search through history to find a bad commit.

GitHub feature attaching release notes and assets to git tags.

Ruby-macro-based language designed for code golf.

Google tool for site owners to inspect URLs as Googlebot sees them.

Gem for caching individual fields at the GraphQL API layer.

curl-equivalent CLI client for gRPC services.

Ubiquitous HTTP compression algorithm.

3D/VFX software whose scenes are explicit DAGs of operations on primitives.

Ruby HTTP client gem with a chainable DSL for making requests.

Ruby implementation for Microsoft's .NET framework.

macOS terminal emulator with scriptable triggers and advanced features.

Long-lived JVM charting library for 2D/3D charts in PNG, SVG, PDF.

Spaceflight simulation game recommended during an FP framing analogy.

Open-source neural-network chess engine inspired by AlphaZero.

Tiny npm package whose 2016 yanking broke CI pipelines worldwide.

Fully open-source online chess platform written in Scala.

Compiler infrastructure project and low-level virtual machine.

Widely-used Java logging library; subject of a severe 2021 security vulnerability.

macOS built-in command-line text-to-speech utility.

Ruby stdlib matrix class supporting standard matrix operations.

Defunct Ruby web framework that merged with Rails.

Ruby wrapper around the ImageMagick command-line tool.

Common open-source MQTT broker with CLI pub/sub clients.

JavaScript/Node package registry and manager.

The Foundry's compositing application; uses Tcl-described DAGs with native C++ node code.

OpenAI's 1536-dimensional text embedding model.

OpenAI web tool for visualizing and counting tokens in text.

Ruby stdlib CLI option parser.

Microsoft's email and calendaring client.

On-call incident alerting service.

Ruby gem running tests across multiple processes on one machine.

Multi-language virtual machine originally created for Perl 6.

Web tool for browsing AT Protocol PDSs, accounts and records.

Dynamic scripting language popular in the late 1990s and 2000s.

Elixir/Phoenix library for real-time server-rendered UIs over WebSockets.

Server-side scripting language; Mariusz Gil's primary language.

Ruby bindings to the Polars DataFrame library with very fast CSV parsing.

Open-source product analytics platform.

Microsoft business-intelligence and analytics platform.

Ruby stdlib class for prime enumeration and factorization.

Ruby's modern parser producing ASTs usable for static analysis.

GitHub Action that auto-labels pull requests from branch names.

Ruby stdlib persistent object store using Marshal.

Strongly-typed functional language compiling to JavaScript.

General-purpose programming language dominant in AI/ML.

Open-source machine emulator and virtualizer used on Linux.

Open-source Ruby on Rails project management application.

GitHub Action that auto-generates categorized release notes from merged PRs.

Heroku-like managed platform for web apps and databases.

Ruby gem for declarative rendering and parsing of object graphs.

Browser extension for modifying HTTP requests and response headers.

Durable-execution workflow system in the Temporal family.

Automated code-review tool posting linter output as PR comments/suggestions.

RSpec's mocking library with allow/expect stubs and temporary message-scoping.

Ruby contracts library with runtime type checks and pattern matching.

Ruby standard-library CSV parser.

Ruby gem for connecting to MQTT brokers.

Ruby gem providing a client for the OpenAI API.

GitHub Action that installs a Ruby version and configures bundler caching.

CSS preprocessor once bundled with Rails, largely superseded by native CSS features.

Ruby database toolkit and ORM.

Google multimodal embedding model used during wroclove.rb 2025 workshop.

Popular Ruby gem offering a friendlier and faster alternative to the stdlib CSV parser.

Live-coding environment for creating music with Ruby-like code.

Online service for hosting and sharing presentation slides.

Ruby gem bundling commonly useful SQLite extensions.

Opinionated Ruby style checker with zero configuration.

Ruby/JS library extending Action Cable for full server-rendered reactive UIs.

Popular open-source chess engine based on neural networks.

Ruby gem stubbing methods on any instance of a class within a block.

SaaS log management and analytics platform.

Apple's programming language for iOS/macOS development.

Standard Widget Toolkit: Eclipse's native-looking cross-platform GUI toolkit.

Browser extension that validates a page's Signed Exchange implementation.

VR collaboration tool for meeting and modeling in a virtual room.

Workflow-as-code durable execution platform; recently added official Ruby bindings.

HashiCorp infrastructure-as-code tool; a DAG engine with HCL + provider modules.

Public cloud service for storing and visualizing IoT sensor data.

Ruby toolkit for building powerful command-line interfaces.

Rails-ecosystem HTTP/2 proxy providing asset caching for containerized Rails apps.

Ruby stdlib topological-sort module with strongly-connected-components support.

Suite of Ruby gems for building rich terminal user interfaces.

Simpler Protobuf-based RPC framework developed at Twitch.

Linux distribution used as the base OS for the demo Kamal droplet.

Debian/Ubuntu package for automatic security updates.

Open-source JVM monitoring tool with live GC, heap and thread views.

Efficient image format by Google with smaller file sizes.

Online service for measuring web performance and producing waterfalls.

'Yet another compiler compiler' — parser generator.

Hosted cloud video transcoding service.

Google's IDE for Android development.

Distributed wide-column NoSQL database.

Google's web analytics service.

Open-source container-orchestration platform; typical infrastructure for microservices.

Apple's IDE for iOS and macOS development.