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420 projects, sorted by GitHub stars.

UnInbox

Alternative toFront

Open source collaborative email with shared team inboxes

  • 1,758 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Email

Kuzzle

Alternative toFirebase

Self-hosted backend with real-time API and search built in

  • 1,668 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #BaaS

Trench

Alternative toAmplitude

Open source analytics infrastructure powered by ClickHouse

  • 1,662 GitHub stars
  • MITLicence MIT

Duckle

Alternative toFivetran

Self-hosted ETL on DuckDB with 385 connectors and no per-row billing.

  • 1,517 GitHub stars
  • Apache-2.0Licence Apache-2.0

AlphaClaw

Alternative toCClaude Managed Agents

Deploy and manage OpenClaw AI agents at fleet scale

  • 1,475 GitHub stars
  • MITLicence MIT
  • #AI Agents

Horilla

Alternative toADP Workforce Now

All-in-one HRMS for recruitment, payroll, and leave management

  • 1,462 GitHub stars
  • LGPL-2.1Licence LGPL-2.1

Sulu

Alternative toContentful

Enterprise-ready open source CMS built on Symfony

  • 1,361 GitHub stars
  • MITLicence MIT
  • #CMS

Mailcheap

Alternative toSendy

Self-hosted newsletters on Amazon SES. MIT licensed, no pricing tiers.

  • 1,303 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

libredb-studio

Alternative toDataGrip

One browser tab for 18 database engines, deployed beside your data

  • 1,234 GitHub stars
  • MITLicence MIT

Swetrix

Alternative toGoogle Analytics

GDPR-compliant cookieless analytics with real-time dashboards

  • 1,209 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

OpenCompany

Alternative toMicrosoft Copilot Studio

Self-hosted AI agent canvas for every business function

  • 1,017 GitHub stars
  • MITLicence MIT
  • #AI Agents

Twake Drive

Alternative toGoogle Drive

Twake file management for Cozy-backed Drive workflows

  • 987 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
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