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420 projects, sorted by GitHub stars.

RethinkDB

Alternative toMongoDB Atlas

Open source distributed document database with real-time feeds

  • 26,994 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Database

AiToEarn

Alternative toBuffer

Monetize your social media influence with paid tasks

  • 26,675 GitHub stars
  • MITLicence MIT

Focalboard

Alternative toTrello

Open source project management: Kanban, Scrum, and lists

  • 26,518 GitHub stars

Zulip

Alternative toSlack

Organized team chat with threaded conversations, self-hostable

  • 26,085 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Chat

invidious

Alternative toYouTube Premium

Watch YouTube without ads, tracking, or a Google account

  • 25,567 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Video

Activepieces

Alternative toZapier

Build AI-powered automations and agents without vendor lock-in

  • 25,140 GitHub stars
  • MITLicence MIT

Turso

Alternative toPlanetScale

Edge SQLite database with multi-tenancy for serverless apps

  • 24,878 GitHub stars
  • MITLicence MIT
  • #Database

GitLab

Alternative toGitHub

Self-hosted Git server with CI/CD, security scans, and planning

  • 24,535 GitHub stars
  • MITLicence MIT

open-seo

Alternative toSemrush

Open source alternative to Semrush and Ahrefs

  • 24,272 GitHub stars
  • MITLicence MIT

DwarfStar (ds4)

Alternative toHugging Face Inference Endpoints

Local inference engine for DeepSeek V4 Flash/PRO and GLM 5.2

  • 23,970 GitHub stars
  • MITLicence MIT
  • #LLM

RAG-Anything

Alternative toRagie AI

Comprehensive multimodal document processing framework

  • 23,910 GitHub stars
  • MITLicence MIT
  • #RAG

listmonk

Alternative toMailchimp

High-performance newsletter and mailing list manager

  • 23,880 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Email
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