Alec Thomas

smolvm. Portable, lightweight, self-contained virtual machines.

caveman. 🪨 why use many token when few token do trick — Claude Code skill that cuts 65% of tokens by talking like caveman

sky. Sky — an Elm-inspired language that compiles to Go. Hindley-Milner types, server-driven UI (Sky.Live), single binary output.

lisette. A little language inspired by Rust that compiles to Go

kumo. A lightweight AWS service emulator written in Go

chunkhound. Local first codebase intelligence

fence. Lightweight, container-free sandbox for running commands with network and filesystem restrictions

zerobrew. A 5-20x faster experimental Homebrew alternative

pgschema. Terraform-style, declarative Postgres schema migration. Agent friendly.

tansu. Apache Kafka® compatible broker with S3, PostgreSQL, SQLite, Apache Iceberg and Delta Lake

mcp-language-server. mcp-language-server gives MCP enabled clients access semantic tools like get definition, references, rename, and diagnostics.

termsvg. Record, share and export your terminal as a animated SVG image.

jpm. JVM build tool and package manager

open-cli. The OpenCLI specification (OCS) defines a standard, platform and language agnostic interface to CLI applications which allows both humans and computers to understand how a CLI tool should be invoked without access to source code or documentation.

sops. Simple and flexible tool for managing secrets

kustomize-sops. KSOPS - A Flexible Kustomize Plugin for SOPS Encrypted Resources

dburl. Package dburl provides a standard, URL style mechanism for parsing and opening SQL database connection strings

vanguard-go. Support REST, gRPC, gRPC-Web, and Connect clients with one server.

epsilon. A WASM virtual machine written in Go with 0 dependencies

furgit. Low-level Git plumbing library in pure Go

opentelemetry-go-compile-instrumentation. OpenTelemetry Go Compile Instrumentation

dbos-transact-golang. Database-Backed Durable Golang Workflows

signals. A robust, dependency-free go library that provides simple, thin, and user-friendly pub-sub kind of in-process event system for your Go applications.

capslock. Go

zed-gotmpl. Go template (gotmpl, gohtml) support for Zed

tmplx. Reactive Hypermedia Framework in Go and HTML

goka. Goka is a compact yet powerful distributed stream processing library for Apache Kafka written in Go.

robotgo. RobotGo, Go Native cross-platform RPA, GUI automation, Auto test and Computer use @vcaesar

ntfy. Send push notifications to your phone or desktop using PUT/POST

launch_editor. Open file with line numbers in editor from Go.

kdl-go. Go library for the KDL Document Language

mdq. like jq but for Markdown: find specific elements in a md doc

werk. Simplistic command runner and build system

go-arch-lint. GoLang architecture linter (checker) tool. Will check all project import path and compare with arch rules defined in yml file. Useful for hexagonal / onion / ddd / mvc and other architectural patterns. Tool can by used in your CI

porcupine. A fast linearizability checker written in Go 🔎

raft. raft is a golang library that provides a simple, clean, and idiomatic implementation of the Raft consensus protocol

enum. Type safe enums for Go without code generation or reflection

borgo. Borgo is a statically typed language that compiles to Go.

typeid. Type-safe, K-sortable, globally unique identifier inspired by Stripe IDs

spqr. Stateless Postgres Query Router.

mdcode. Markdown code block authoring tool

nuke. A memory arena implementation for Go.

pglite. Embeddable Postgres with real-time, reactive bindings.

reclient. Go

cloner. Go

yace. under 2KB code editor for browser with plugins

go-echarts. 🎨 The adorable charts library for Golang.

wasmtime-go. Go WebAssembly runtime powered by Wasmtime

go-pgquery. C

activate-hermit. Github Action to activate a Hermit environment.

gpt4all. GPT4All: Run Local LLMs on Any Device. Open-source and available for commercial use.

ssh3. SSH3: faster and rich secure shell using HTTP/3, checkout our article here: https://arxiv.org/abs/2312.08396 and our Internet-Draft: https://datatracker.ietf.org/doc/draft-michel-ssh3/

AnyBar. OS X menubar status indicator

errtrace. An alternative to stack traces for your Go errors

river. Fast and reliable background jobs in Go

hermit-build. Relocatable/static builds for Hermit packages

ecs_benchmark. Benchmarks of common ECS (Entity-Component-System)-Frameworks in C++ (or C)

nsjail. A lightweight process isolation tool that utilizes Linux namespaces, cgroups, rlimits and seccomp-bpf syscall filters, leveraging the Kafel BPF language for enhanced security.

ftl. FTL is a platform for building distributed systems that are safe to operate, easy to reason about, and fast to iterate and develop on.

mojo-executor. The Mojo Executor provides a way to to execute other Mojos (plugins) within a Maven plugin, allowing you to easily create Maven plugins that are composed of other plugins.

scafall. Golang based project scaffolding tool

grpctunnel. A TCP-over-gRPC Tunnel

grpctunnel. gRPC Tunneling

kotlin-maven-symbol-processing. KSP extension for the kotlin-maven-plugin

mktoc. 🦀 Markdown Table of Content generator

jsonschema-go. JSON Schema mapping for Go

jacobin. A more than minimal JVM written in Go and capable of running Java 21 classes.

barreldb. A disk based KV store (based on Bitcask implementation)

hylo. The Hylo programming language

immutable. Immutable collections for Go

jio. jio is a json schema validator similar to joi

extism. The framework for building with WebAssembly (wasm). Easily & securely load wasm modules, move data, call functions, and build extensible apps.

complgen. Language-independent, declarative bash/fish/zsh/pwsh completions without writing shell scripts!

pgfs. Go library that implements fs.FS for Postgres using Large Objects.

go-bbhash. Fast Scalable Minimal Perfect Hash for Large Keysets

termrec. Terminal recorder written in C

asciinema. Fork from asciinema golang branch and modified to be a library

net. Go package implementing WASI socket extensions

go-humanize. Go Humans! (formatters for units to human friendly sizes)

gain. Gain is a high-performance io_uring networking framework written entirely in Go.

PostgreSQL-Query-Lock-Explainer. Command line utility to show what locks will be acquired by a given query.

go-sandbox. Sandbox implemented in GO including containers (namespace, cgroup), ptrace, seccomp

hoverfly. Lightweight service virtualization/ API simulation / API mocking tool for developers and testers

struc. Better binary packing for Go

ReplitLM. Inference code and configs for the ReplitLM model family

ulid. Universally Unique Lexicographically Sortable Identifier (ULID) in Go

sqldef. Idempotent schema management for MySQL, PostgreSQL, SQLite, and SQL Server

mps. The Memory Pool System

larking. Reflective protobuffer APIs

llama.go. llama.go is like llama.cpp in pure Golang!

gogll. Generates generalised LL (GLL) and reduced size LR(1) parsers with matching lexers

colima. Container runtimes on macOS (and Linux) with minimal setup

ksuid. K-Sortable Globally Unique IDs

rsync. rsync in Go! implements client and server, which can send or receive files (upload, download, all directions supported)

klotho. Klotho - write AWS applications at lightning speed

ignite. Ignite a Firecracker microVM

zincsearch. ZincSearch . A lightweight alternative to elasticsearch that requires minimal resources, written in Go.

purego. A library for calling C functions from Go without Cgo

hlb. A developer-first language to build and test any software efficiently

goption. Optional values for Go

quicktemplate. Fast, powerful, yet easy to use template engine for Go. Optimized for speed, zero memory allocations in hot paths. Up to 20x faster than html/template

happy. Happy is an opinionated tool for generating request-handler boilerplate for Go 😊

llvmbox. Self contained, fully static llvm tools & libs

go-binsize-treemap. 🔍 Go binary size SVG treemap

suture. Supervisor trees for Go.

ergo. An actor-based Framework with network transparency for creating event-driven architecture in Golang. Inspired by Erlang. Zero dependencies.

connect-go. The Go implementation of Connect: Protobuf RPC that works.

protocompile. A parsing/linking engine for protobuf; the guts for a pure Go replacement of protoc.

Docker-OSX. Run macOS VM in a Docker! Run near native OSX-KVM in Docker! X11 Forwarding! CI/CD for OS X Security Research! Docker mac Containers.

automemlimit. Automatically set GOMEMLIMIT to match Linux cgroups(7) memory limit.

go-web-framework-benchmark. :zap: Go web framework benchmark

conc. Better structured concurrency for go

gx. A Go->C++transpiler meant for data-oriented gameplay and application programming especially for WebAssembly. Using this mostly in the context of specific personal projects and heavily focusing the feature set on those. Used in my Raylib gamejam project: https://github.com/nikki93/raylib-5k -- also being used to develop a private longer term game project and a note-taking app.

doublestar. Implements support for double star (**) matches in golang's path.Match and filepath.Glob.

dst. Decorated Syntax Tree - manipulate Go source with perfect fidelity.

yq. yq is a portable command-line YAML, JSON, XML, CSV, TOML, HCL and properties processor

go-ninja. Abstracted syntax tree and generator for Ninja build files

reflex. Run a command when files change

olric. Distributed, in-memory key/value store and cache. It can be used as an embedded Go library and a language-independent service.

enumer. A Go tool to auto generate methods for your enums

pgx. PostgreSQL driver and toolkit for Go

go-cloud. The Go Cloud Development Kit (Go CDK): A library and tools for open cloud development in Go.

chisel. A fast TCP/UDP tunnel over HTTP

juicefs. JuiceFS is a distributed POSIX file system built on top of Redis and S3.

unison. A friendly programming language from the future

pranadb. Go

python-build-standalone. Produce redistributable builds of Python

ysmrr. YSMRR is a package that provides simple multi-line compatible spinners for Go applications.

asynq. Simple, reliable, and efficient distributed task queue in Go

encore. The infrastructure platform for the intelligence era

golangci-server. Go

amt. Hash Array Mapped Trie (HAMT) implemented in Go (1.18+ generics)

carbon-lang. Carbon Language's main repository: documents, design, implementation, and related tools. (NOTE: Carbon Language is experimental; see README)

protog. protobuf and gRPC utility CLIs and Go libraries

terminal-to-html. Converts arbitrary shell output (with ANSI) into beautifully rendered HTML

buildkite-test-analytics-go. Golang support for Buildkite Test Analytics

uhaha. High Availability Raft Framework for Go

go_scriptish. scriptish is a library to help you port bash scripts to Golang

xid. xid is a globally unique id generator thought for the web

makeself. A self-extracting archiving tool for Unix systems, in 100% shell script.

stats. macOS system monitor in your menu bar

dasel. Unified querying, transformation, and modification of JSON, TOML, YAML, XML, INI, HCL, KDL and CSV.

jig. gRPC mocks with Jsonnet

merged_fs. Implements Go's (golang) io/fs filesystem interface by merging other io/fs instances.

drivine. Best and fastest graph database client (Neo4j, AgensGraph, Apache AGE, FalkorDB) for Node.js & TypeScript.

protobuf. A Protobuf IDL parser for Go

wizardry. 🍄 A parser, interpreter and compiler for libmagic rule files in golang

go_websocket_turbo. Simple example for using Turbos Streams in Go with the Gorilla WebSocket toolkit.

uilive. uilive is a go library for updating terminal output in realtime

bramble. Purely functional build system and package manager

gotestsum. 'go test' runner with output optimized for humans, JUnit XML for CI integration, and a summary of the test results.

extprot. extprot: extensible binary protocols for cross-language communication and long-term serialization

awscli-plugin-endpoint. An awscli plugin to configure service endpoint from aws configure file

svu. semantic version utility

gqlgen. go generate based graphql server library

sonic. Sonic language: Heavily inspired by Swift, but compiles to C so you can use it anywhere.

starlark-go. Starlark in Go: the Starlark configuration language, implemented in Go

gripmock. gRPC Mock Server

sat. Tiny & fast WebAssembly edge compute server

httprouter. A high performance HTTP request router that scales well

pulp. Dynamic, server-side web-applications.

lima. Linux virtual machines, with a focus on running containers

dendrite. Dendrite is a second-generation Matrix homeserver written in Go!

turbo-go. Build hotwire apps using go

vimr. VimR — Neovim GUI for macOS in Swift

lakeFS. lakeFS - Data version control for your data lake | Git for data

age. A simple, modern and secure encryption tool (and Go library) with small explicit keys, no config options, and UNIX-style composability.

cue. The home of the CUE language! Validate and define text-based and dynamic configuration

go-testmark. Parse data and test fixtures from markdown files, and patch them programmatically, too.

langjam.

gocompat. Go API compatibility checker.

clock. A Go (golang) library for mocking standard time, optionally also with context.Context

AppImageKit. Package desktop applications as AppImages that run on common Linux-based operating systems, such as RHEL, CentOS, openSUSE, SLED, Ubuntu, Fedora, debian and derivatives. Join #AppImage on irc.libera.chat

relocatable-python. A tool for building standalone relocatable Python.framework bundles

gopatch. Refactoring and code transformation tool for Go.

v. Simple, fast, safe, compiled language for developing maintainable software. Compiles itself in <1s with zero library dependencies. Supports automatic C => V translation. https://vlang.io

hermit. 🐚 Hermit manages isolated, self-bootstrapping sets of tools in software projects.

hermit-packages. Hermit manages isolated, self-bootstrapping sets of tools in software projects.

langx. Language experimentation.

protoactor-go. Proto Actor - Ultra fast distributed actors for Go, C# and Java/Kotlin

grpchan. Channels for gRPC: custom transports

kaitai_struct_formats. Kaitai Struct: library of binary file formats (.ksy)

tinykv. A course to build distributed key-value service based on TiKV model

drpc. drpc is a lightweight, drop-in replacement for gRPC

compose. A Hugo theme for documentation sites.

envsubst. Go package emulates bash environment variable substitution

golive. ⚡ Live views for GoLang with reactive HTML over WebSockets 🔌

fiber. ⚡️ Express inspired web framework written in Go

protoc-gen-grpc-gateway-ts. protoc-gen-grpc-gateway-ts is a Typescript client generator for the grpc-gateway project. It generates idiomatic Typescript clients that connect the web frontend and golang backend fronted by grpc-gateway.

gojq. JSON query in Golang

cosmopolitan. build-once run-anywhere c library

go-craq. CRAQ (Chain Replication with Apportioned Queries) in Go

svg-term-cli. Share terminal sessions via SVG and CSS

feeless. ⋰·⋰ Feeless is a Nano cryptocurrency node, wallet, tools, and Rust crate. https://feeless.dev/

kong-yaml. Go

go-concurrency-limits. Go implementation of Netflix/concurrency-limits

grpc-http-proxy. A reverse proxy server which translate JSON HTTP requests to gRPC calls based on protoreflect

life. A secure WebAssembly VM catered for decentralized applications.

chroma. A general purpose syntax highlighter in pure Go

lunatic. Lunatic is an Erlang-inspired runtime for WebAssembly