Topics / #alternative

Alternative projects on GitHub

Open source alternatives to popular commercial products and services.

As of , the most-starred Alternative projects on GitHub are supabase (111.7K stars), invidious (25.5K stars) and Cap (23.4K stars). GitHub.Locker tracks 14 Alternative repositories with 272.5K stars combined. The fastest-growing on October 16 was supabase, with +49 stars in a day.

14Projects
272.5KStars in total
+132Stars in a day
Browse in the catalog →github.com/topics/alternative ↗

Hot right now

Most stars gained in a day · Oct 16

+49

supabase

supabase/supabase · ★ 111.7K

Supabase is an open source Postgres development platform that gives you a hosted Postgres database plus auth, auto-generated APIs, realtime subscriptions, storage, and edge functions, built as an open source alternative to Firebase.

+23

Cap

CapSoftware/Cap · ★ 23.4K

An open source Loom alternative: it records your screen, camera and microphone and turns takes into shareable links or exported videos — for demos, bug reports, tutorials and async standups.

+14

invidious

iv-org/invidious · ★ 25.5K

Invidious is an open source alternative front-end to YouTube: you browse and watch YouTube videos through its web interface instead of youtube.com.

+10

rembrandt

thesnarkitecht/rembrandt · ★ 146

Rembrandt is a free, non-destructive RAW photo editor and library for macOS, Windows and Linux, built in the same family as Lightroom Classic, with on-device AI tools and no account, subscription or tracking required.

The all-time top

14 projects · by stars

  1. #1 · supabase/supabase

    supabase

    Supabase is an open source Postgres development platform that gives you a hosted Postgres database plus auth, auto-generated APIs, realtime subscriptions, storage, and edge functions, built as an open source alternative to Firebase.

    111.7K
  2. #2 · iv-org/invidious

    invidious

    Invidious is an open source alternative front-end to YouTube: you browse and watch YouTube videos through its web interface instead of youtube.com.

    25.5K
  3. #3 · CapSoftware/Cap

    Cap

    An open source Loom alternative: it records your screen, camera and microphone and turns takes into shareable links or exported videos — for demos, bug reports, tutorials and async standups.

    23.4K
  1. 4

    awesome-oss-alternatives

    19.8KRunaCapital/awesome-oss-alternatives · Python

    A curated list of open-source startups that can replace well-known closed-source SaaS products — from Supabase and Metabase to Chatwoot and Penpot, each mapped to the SaaS product it competes with.

  2. 5

    community-skeleton

    19.6Kuvdesk/community-skeleton · CSS

    UVdesk Community is a free, open-source helpdesk platform: a ticketing system for customer support built on the Symfony framework and backbone.js, covering tickets, mailboxes, a knowledge base and an extensible bundle system.

  3. 6

    nitter

    14.5Kzedeus/nitter · Nim

    A free, open source alternative front-end for Twitter, focused on privacy and performance — it was inspired by the Invidious project. You browse Twitter through a Nitter instance instead of twitter.com.

  4. 7

    rybbit

    13.1Krybbit-io/rybbit · TypeScript

    Rybbit is an open-source, privacy-friendly web and product analytics platform — a more intuitive alternative to Google Analytics that you can use hosted or self-hosted.

  5. 8

    nostr

    12.1Knostr-protocol/nostr

    Nostr (Notes and Other Stuff Transmitted by Relays) is an open protocol for a censorship-resistant global social network. This repo holds the idea and spec, not an app.

  6. 9

    centrifugo

    10.9Kcentrifugal/centrifugo · Go

    Centrifugo is an open-source, language-agnostic real-time messaging server that lets any backend push messages to connected clients over WebSocket, HTTP-streaming, SSE, GRPC or WebTransport. It acts as a self-hosted alternative to Pubnub, Pusher, Ably, Socket.IO, Phoenix.PubSub and SignalR.

  7. 10

    omni-tools

    10.3Kiib0011/omni-tools · TypeScript

    A self-hosted web app bundling dozens of browser-based utilities for everyday tasks: image and video editing, PDF work, text and data conversions, date and math calculators. No ads, no tracking.

  8. 11

    Piped

    10.3KTeamPiped/Piped · Vue

    Piped is an open-source, privacy-friendly alternative frontend for YouTube: you watch and listen to content without ads, tracking, or any connections to Google's servers.

  9. 12

    rustcast

    1.1KMystikoLab/rustcast · Rust

    RustCast is a free, open-source popup launcher for macOS written in Rust: hit a hotkey, start typing, and launch apps, utilities and workflows. It is positioned as an open-source alternative to Raycast.

  10. 13

    router

    156anonrig/router · TypeScript

    A from-scratch React router that keeps the TanStack Router API — same public names — but rebuilds the internals for speed: faster navigations and streaming SSR. It is a new implementation, not a fork.

  11. 14

    rembrandt

    146thesnarkitecht/rembrandt · C++

    Rembrandt is a free, non-destructive RAW photo editor and library for macOS, Windows and Linux, built in the same family as Lightroom Classic, with on-device AI tools and no account, subscription or tracking required.

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