Repositories list

• circuit

  Public
  ⚡️ A Compose-driven architecture for Kotlin and Android applications.

  androidkotlinarchitecture+ 3

  androidkotlinarchitectureudfcomposemvi

  Kotlin

  •

  Apache License 2.0

  •121121 forks•1.8k1.8k stars•66 issues•88 pull requests•Updated Aug 3, 2026Aug 3, 2026

• astra

  Public
  Astra is a structured log search and analytics engine developed by Slack and Salesforce

  kuberneteskafkagrpc+ 3

  kuberneteskafkagrpcopensearcharmeriaapache-lucene

  Java

  •

  MIT License

  •4141 forks•255255 stars•11 issue•66 pull requests•Updated Aug 3, 2026Aug 3, 2026

• foundry

  Public
  Gradle and IntelliJ build tooling used in Slack's Android repo

  androidkotlinjava+ 3

  androidkotlinjavagradleintellijintellij-plugin

  Kotlin

  •

  Apache License 2.0

  •2121 forks•476476 stars•99 issues•88 pull requests•Updated Aug 2, 2026Aug 2, 2026

• hakana

  Public
  Another typechecker for Hack, built by Slack

  hackstatic-analysis

  hackstatic-analysis

  Rust

  •

  MIT License

  •99 forks•107107 stars•00 issues•88 pull requests•Updated Aug 1, 2026Aug 1, 2026

• nebula

  Public
  A scalable overlay networking tool with a focus on performance, simplicity and security

  Go

  •

  MIT License

  •1.2k1.2k forks•18k18k stars•5353 issues•4747 pull requests•Updated Jul 31, 2026Jul 31, 2026

• compose-lints

  Public
  Lint checks to aid with a healthy adoption of Compose

  androidkotlinlint+ 4

  androidkotlinlintstatic-code-analysisstatic-analysiscomposejetpack-compose

  Kotlin

  •

  Apache License 2.0

  •3737 forks•481481 stars•44 issues•33 pull requests•Updated Jul 31, 2026Jul 31, 2026

• slack-lints

  Public
  A collection of custom Android/Kotlin lint checks we use in our Android and Kotlin code bases at Slack.

  androidkotlinlint+ 2

  androidkotlinlintandroid-lintstatic-analysis

  Kotlin

  •

  Apache License 2.0

  •1616 forks•248248 stars•99 issues•44 pull requests•Updated Jul 28, 2026Jul 28, 2026

• go-audit

  Public
  go-audit is an alternative to the auditd daemon that ships with many distros

  Go

  •

  MIT License

  •163163 forks•1.7k1.7k stars•1515 issues•88 pull requests•Updated Jul 27, 2026Jul 27, 2026

• vitess

  Public
  Vitess is a database clustering system for horizontal scaling of MySQL.

  mysqlvitess

  mysqlvitess

  Go

  •

  Apache License 2.0

  •2.4k2.4k forks•55 stars•00 issues•66 pull requests•Updated Jul 27, 2026Jul 27, 2026

• vscode-hack

  Public
  Hack language & HHVM debugger support for Visual Studio Code

  phphackvscode+ 4

  phphackvscodehhvmvisual-studio-codevscode-extensionhacklang

  TypeScript

  •

  MIT License

  •4848 forks•7979 stars•1616 issues•99 pull requests•Updated Jul 25, 2026Jul 25, 2026

• gh-stacked-diff

  Public
  Go

  •

  Apache License 2.0

  •00 forks•66 stars•00 issues•00 pull requests•Updated Jul 17, 2026Jul 17, 2026

• gh-ost

  Public
  GitHub's Online Schema-migration Tool for MySQL

  Go

  •

  MIT License

  •1.4k1.4k forks•22 stars•00 issues•00 pull requests•Updated Jul 7, 2026Jul 7, 2026

• bigredbutton

  Public
  Python

  •

  Apache License 2.0

  •00 forks•00 stars•00 issues•00 pull requests•Updated Jun 26, 2026Jun 26, 2026

• spark-gateway

  Public
  REST API for interacting with batch Spark Applications on Kubernetes

  kubernetesgolangspark+ 1

  kubernetesgolangsparklivy

  Go

  •

  Apache License 2.0

  •11 fork•1414 stars•00 issues•22 pull requests•Updated Jun 23, 2026Jun 23, 2026

• avro-hack

  Public
  Apache Avro serialization library for Hack (HHVM)

  Hack

  •

  Other

  •00 forks•11 star•00 issues•00 pull requests•Updated Jun 5, 2026Jun 5, 2026

• deanimator

  Public
  Go package that can detect animated images and "deanimate" them by rendering just the first frame as a static image.

  Go

  •

  MIT License

  •55 forks•2727 stars•11 issue•00 pull requests•Updated Jun 2, 2026Jun 2, 2026

• backend-interview-prerequisites

  Public
  A project to ensure that your backend onsite interview at Slack runs smoothly.

  Go

  •

  MIT License

  •11 fork•1515 stars•00 issues•11 pull request•Updated Jun 2, 2026Jun 2, 2026

• auto-value-kotlin

  Public
  An AutoValue extension that generates binary and source compatible equivalent Kotlin data classes of AutoValue models.

  kotlinautovalue-extensionsautovalue+ 1

  kotlinautovalue-extensionsautovaluekotlinpoet

  Kotlin

  •

  Apache License 2.0

  •11 fork•2626 stars•44 issues•99 pull requests•Updated Jun 2, 2026Jun 2, 2026

• simple-kubernetes-webhook

  Public
  This project is aimed at illustrating how to build a fully functioning kubernetes admission webhook in the simplest way possible.

  Go

  •

  MIT License

  •102102 forks•204204 stars•33 issues•44 pull requests•Updated Jun 2, 2026Jun 2, 2026

• snow

  Public
  Python

  •

  MIT License

  •44 forks•22 stars•88 issues•00 pull requests•Updated Jun 2, 2026Jun 2, 2026

• proto-hack

  Public
  hacklang generator for protobuf

  Hack

  •

  Other

  •55 forks•44 stars•00 issues•33 pull requests•Updated Jun 2, 2026Jun 2, 2026

• EitherNet

  Public
  A multiplatform, pluggable, and sealed API result type for modeling network API responses.

  kotlinjavaretrofit+ 2

  kotlinjavaretrofitokhttpmultiplatform

  Kotlin

  •

  Apache License 2.0

  •2828 forks•792792 stars•44 issues•11 pull request•Updated Jun 2, 2026Jun 2, 2026

• moshi-gson-interop

  Public
  An interop tool for safely mixing Moshi and Gson models in JSON serialization.

  kotlinjavajson+ 2

  kotlinjavajsongsonmoshi

  Kotlin

  •

  Apache License 2.0

  •44 forks•4646 stars•33 issues•99 pull requests•Updated Jun 2, 2026Jun 2, 2026

• htmlsanitizer-hack

  Public
  A port of the PHP HTML Purifier originally developed by Edward Z. Yang into Hacklang

  Hack

  •

  GNU Lesser General Public License v2.1

  •55 forks•77 stars•00 issues•00 pull requests•Updated Jun 2, 2026Jun 2, 2026

• keeper

  Public
  A Gradle plugin that infers Proguard/R8 keep rules for androidTest sources.

  androidtestinggradle+ 4

  androidtestinggradleandroid-testproguardr8android-gradle-plugin

  Kotlin

  •

  Apache License 2.0

  •2727 forks•267267 stars•55 issues•33 pull requests•Updated Jun 2, 2026Jun 2, 2026

• hack-sql-fake

  Public
  A library for testing database driven code in Hack

  Hack

  •

  MIT License

  •3131 forks•7676 stars•1111 issues•00 pull requests•Updated Jun 2, 2026Jun 2, 2026

• hack-json-schema

  Public
  Generate Hack JSON Schema validators based on a JSON Schema.

  Hack

  •

  MIT License

  •1616 forks•3030 stars•1616 issues•33 pull requests•Updated Jun 2, 2026Jun 2, 2026

• csp-html-webpack-plugin

  Public
  A plugin which, when combined with HTMLWebpackPlugin, adds CSP tags to the HTML output.

  cspwebpackhtml-webpack-plugin

  cspwebpackhtml-webpack-plugin

  JavaScript

  •

  MIT License

  •4040 forks•172172 stars•1212 issues•1616 pull requests•Updated Jun 2, 2026Jun 2, 2026

• go-rsyslog-pstats

  Public
  Parses and forwards rsyslog process stats to a local statsite, statsd, or wire protocol compatible service.

  Go

  •

  MIT License

  •77 forks•2020 stars•00 issues•00 pull requests•Updated Jun 2, 2026Jun 2, 2026

• magic-cli

  Public
  Ruby

  •3333 forks•213213 stars•00 issues•00 pull requests•Updated Jun 2, 2026Jun 2, 2026