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161 projects, sorted by GitHub stars.

Piwigo

Alternative toSmugMug

Self-hosted photo library with albums, controls, and plugins

  • 3,869 GitHub stars
  • GPL-2.0Licence GPL-2.0

Radar

Alternative toLens

Open-source Kubernetes UI with topology, GitOps, and AI agent MCP.

  • 3,866 GitHub stars
  • Apache-2.0Licence Apache-2.0

LimeSurvey

Alternative toSurveyMonkey

Open source survey platform for complex questionnaires

  • 3,769 GitHub stars
  • GPL-2.0Licence GPL-2.0

Brave

Alternative toGoogle Chrome

Block ads and trackers by default in a Chromium-based browser

  • 3,697 GitHub stars
  • MPL-2.0Licence MPL-2.0

Ploomber

Alternative toGoogle Cloud Composer

Build reproducible Python data pipelines with DAG orchestration

  • 3,620 GitHub stars
  • Apache-2.0Licence Apache-2.0

fx

Alternative toClaude Code

Native Zig CLI coding agent, 7.8 MiB, any AI model.

  • 3,512 GitHub stars
  • Apache-2.0Licence Apache-2.0

EspoCRM

Alternative toSalesforce Sales Cloud

Self-hosted open source CRM for contacts and pipelines

  • 3,503 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #CRM

Oso Cloud

Alternative toPermit.io

Open source authorization with RBAC, ABAC, and ReBAC for any app

  • 3,488 GitHub stars
  • Apache-2.0Licence Apache-2.0

Converse.js

Alternative toSlack

Self-hosted web-based XMPP chat client for any server

  • 3,301 GitHub stars
  • MPL-2.0Licence MPL-2.0
  • #Chat

Flowblade

Alternative toAdobe Premiere Pro

Free non-linear video editor for Linux with GPU support

  • 3,099 GitHub stars
  • GPL-3.0Licence GPL-3.0
  • #Video

Silex

Alternative toWebflow

Open source website builder for designers with visual editing and CMS.

  • 3,012 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #No Code

MyPaint

Alternative toCorel Painter

Free open source painting app optimized for drawing tablets

  • 2,994 GitHub stars
  • GPL-2.0Licence GPL-2.0
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