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    68 repositories

    • circuit

      Public
      ⚡️ A Compose-driven architecture for Kotlin and Android applications.
      androidkotlinarchitectureudfcomposemvi
      Kotlin
      •
      Apache License 2.0
      •106•1.8k•9•18•Updated Dec 18, 2025Dec 18, 2025

    • foundry

      Public
      Gradle and IntelliJ build tooling used in Slack's Android repo
      androidkotlinjavagradleintellijintellij-plugin
      Kotlin
      •
      Apache License 2.0
      •20•466•9•9•Updated Dec 18, 2025Dec 18, 2025

    • slack-lints

      Public
      A collection of custom Android/Kotlin lint checks we use in our Android and Kotlin code bases at Slack.
      androidkotlinlintandroid-lintstatic-analysis
      Kotlin
      •
      Apache License 2.0
      •16•246•9•12•Updated Dec 18, 2025Dec 18, 2025

    • astra

      Public
      Astra is a structured log search and analytics engine developed by Slack and Salesforce
      kuberneteskafkagrpcopensearcharmeriaapache-lucene
      Java
      •
      MIT License
      •41•243•0•6•Updated Dec 18, 2025Dec 18, 2025

    • hakana

      Public
      Another typechecker for Hack, built by Slack
      hackstatic-analysis
      Rust
      •
      MIT License
      •9•93•0•1•Updated Dec 17, 2025Dec 17, 2025

    • moshi-gson-interop

      Public
      An interop tool for safely mixing Moshi and Gson models in JSON serialization.
      kotlinjavajsongsonmoshi
      Kotlin
      •
      Apache License 2.0
      •5•43•3•8•Updated Dec 17, 2025Dec 17, 2025

    • compose-lints

      Public
      Lint checks to aid with a healthy adoption of Compose
      androidkotlinlintstatic-code-analysisstatic-analysiscomposejetpack-compose
      Kotlin
      •
      Apache License 2.0
      •31•459•18•11•Updated Dec 16, 2025Dec 16, 2025

    • nebula

      Public
      A scalable overlay networking tool with a focus on performance, simplicity and security
      Go
      •
      MIT License
      •1.1k•17k•84•32•Updated Dec 15, 2025Dec 15, 2025

    • vitess

      Public
      Vitess is a database clustering system for horizontal scaling of MySQL.
      mysqlvitess
      Go
      •
      Apache License 2.0
      •2.3k•4•0•11•Updated Dec 15, 2025Dec 15, 2025

    • go-audit

      Public
      go-audit is an alternative to the auditd daemon that ships with many distros
      Go
      •
      MIT License
      •161•1.7k•15•9•Updated Dec 10, 2025Dec 10, 2025

    • enzyme-to-rtl-codemod

      Public
      TypeScript
      •
      Apache License 2.0
      •5•22•0•0•Updated Dec 9, 2025Dec 9, 2025

    • vscode-hack

      Public
      Hack language & HHVM debugger support for Visual Studio Code
      phphackvscodehhvmvisual-studio-codevscode-extensionhacklang
      TypeScript
      •
      MIT License
      •45•77•24•3•Updated Nov 24, 2025Nov 24, 2025

    • sqlite-python-connect

      Public
      Short bit of code to connect to a sqlite db and run a query in python
      interview-preparation
      Python
      •
      MIT License
      •7•10•0•1•Updated Nov 24, 2025Nov 24, 2025

    • spark-gateway

      Public
      REST API for interacting with batch Spark Applications on Kubernetes
      kubernetesgolangsparklivy
      Go
      •
      Apache License 2.0
      •1•13•0•2•Updated Nov 19, 2025Nov 19, 2025

    • 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
      •5•7•0•0•Updated Nov 19, 2025Nov 19, 2025

    • keeper

      Public
      A Gradle plugin that infers Proguard/R8 keep rules for androidTest sources.
      androidtestinggradleandroid-testproguardr8android-gradle-plugin
      Kotlin
      •
      Apache License 2.0
      •26•269•4•1•Updated Nov 19, 2025Nov 19, 2025

    • hack-sql-fake

      Public
      A library for testing database driven code in Hack
      Hack
      •
      MIT License
      •29•75•11•0•Updated Nov 19, 2025Nov 19, 2025

    • go-rsyslog-pstats

      Public
      Parses and forwards rsyslog process stats to a local statsite, statsd, or wire protocol compatible service.
      Go
      •
      MIT License
      •7•21•0•0•Updated Nov 19, 2025Nov 19, 2025

    • auto-value-kotlin

      Public
      An AutoValue extension that generates binary and source compatible equivalent Kotlin data classes of AutoValue models.
      kotlinautovalue-extensionsautovaluekotlinpoet
      Kotlin
      •
      Apache License 2.0
      •1•26•4•9•Updated Nov 19, 2025Nov 19, 2025

    • 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
      •102•202•3•5•Updated Nov 19, 2025Nov 19, 2025

    • hack-json-schema

      Public
      Generate Hack JSON Schema validators based on a JSON Schema.
      Hack
      •
      MIT License
      •15•30•16•2•Updated Nov 19, 2025Nov 19, 2025

    • csp-html-webpack-plugin

      Public
      A plugin which, when combined with HTMLWebpackPlugin, adds CSP tags to the HTML output.
      cspwebpackhtml-webpack-plugin
      JavaScript
      •
      MIT License
      •40•167•12•16•Updated Nov 19, 2025Nov 19, 2025

    • proto-hack

      Public
      hacklang generator for protobuf
      Hack
      •
      Other
      •5•4•0•3•Updated Nov 19, 2025Nov 19, 2025

    • 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
      •5•25•1•0•Updated Nov 19, 2025Nov 19, 2025

    • EitherNet

      Public
      A multiplatform, pluggable, and sealed API result type for modeling network API responses.
      kotlinjavaretrofitokhttpmultiplatform
      Kotlin
      •
      Apache License 2.0
      •27•788•4•1•Updated Nov 19, 2025Nov 19, 2025

    • snow

      Public
      Python
      •
      MIT License
      •4•2•8•0•Updated Nov 17, 2025Nov 17, 2025

    • magic-cli

      Public
      Ruby
      •33•212•0•0•Updated Nov 15, 2025Nov 15, 2025

    • backend-interview-prerequisites

      Public
      A project to ensure that your backend onsite interview at Slack runs smoothly.
      Go
      •
      MIT License
      •1•15•0•1•Updated Nov 14, 2025Nov 14, 2025

    • hack-graphql

      Public archive
      Playground for a hack graphql server
      Hack
      •
      MIT License
      •7•9•14•4•Updated Nov 12, 2025Nov 12, 2025

    • grpc-hack

      Public archive
      A gRPC extension for HHVM
      C++
      •
      Apache License 2.0
      •4•4•0•0•Updated Nov 3, 2025Nov 3, 2025