Open Source Alternatives
  • Alternatives
  • Categories
    Categories by size904 projects
    • Developer Tools471
    • AI & Machine Learning407
    • Web Development198
    • Business & Productivity195
    • Security & Monitoring131
    • Communication & Collaboration128
    • IT Management126
    • Cloud & Hosting109
    • Product & Project Management106
    • Data & Analytics105
    Browse all 21 categoriesDesign & Creative, LLMOps & AI Tooling and 9 more
  • Blog
  • Advertise
SearchNotion, Slack, password manager.../
Submit
Open Source Alternatives
  • Alternatives
    • Developer Tools471
    • AI & Machine Learning407
    • Web Development198
    • Business & Productivity195
    • Security & Monitoring131
    • Communication & Collaboration128
    • Browse all 21 categories
  • Blog
  • Advertise
Submit your project

New open source projects by email

The projects we add and every new guide. Free, unsubscribe any time.

Open Source Alternatives LogoOpen Source Alternatives

Handpicked Open Source Alternatives to Paid Softwares

Product

  • Categories
  • Tag
  • Advertise

Resources

  • Blog
  • Collection
  • Submit

Company

  • Privacy Policy
  • Terms of Service
  • Refund Policy
  • Sitemap

Alternatives

  • Claude Code
  • Jira
  • Notion
  • Slack
  • Linear
  • Wispr Flow
  • All alternatives
© 2026 Open Source Alternatives. All rights reserved.
Open SourceAlternatives

Category

Open Source Developer Tools

  • All
  • Developer Tools
  • Web Development
  • Backend Development
  • APIs & Integration
  • DevOps & CI/CD
  • Cloud & Hosting
  • LLMOps & AI Tooling
  • Databases & Storage
  • No-Code & Low-Code
  • Customer Support
  • IT Management
  • Marketing & Growth
  • Finance & Fintech
  • Product & Project Management
  • AI & Machine Learning
  • Data & Analytics
  • Communication & Collaboration
  • Business & Productivity
  • Design & Creative
  • Security & Monitoring
  • Web & App Development

471 projects, sorted by GitHub stars.

tailcat

Alternative toTailscale

Encrypted tunnels between machines, no account or IP needed

  • 8,432 GitHub stars
  • BSD-3-ClauseLicence BSD-3-Clause

modly

Alternative toMeshy

Generate 3D models from images or prompts, entirely offline

  • 8,291 GitHub stars
  • CustomLicence MIT with attribution requirement

openrig

Alternative toConductor

Coordinate Claude Code and Codex as one persistent agent team.

  • 8,072 GitHub stars
  • Apache-2.0Licence Apache-2.0

repowise

Alternative toCodeScene

Codebase intelligence: MCP tools for agents, health scores for teams.

  • 7,869 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

ODS

Alternative toChatGPT

Turn any computer into a private AI server

  • 7,601 GitHub stars
  • Apache-2.0Licence Apache-2.0

Manifest

Alternative toXano

One YAML file gives your app auth, CRUD, storage, and admin UI

  • 7,595 GitHub stars
  • MITLicence MIT
  • #BaaS

OpenLLaMA

Alternative toOpenAI

Permissive open LLaMA reproduction in 3B, 7B, and 13B parameters

  • 7,528 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

GPT‑NeoX

Alternative toDatabricks (with MosaicML)

EleutherAI's framework for training LLMs at research scale

  • 7,473 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

Dendron

Alternative toRoam Research

Local-first Markdown notes with hierarchy and backlinks

  • 7,463 GitHub stars
  • Apache-2.0Licence Apache-2.0

OpenResearch

Alternative toConductor

Local-first workspace for parallel research agents and experiments.

  • 7,423 GitHub stars
  • MITLicence MIT
  • #AI Agents

hiring-agent

Alternative toBambooHR

AI-powered resume evaluation and scoring tool

  • 7,308 GitHub stars
  • MITLicence MIT
  • #LLM

magnitude

Alternative toLM Studio

Local models for your agent, tuned for your hardware

  • 7,220 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents
  • Previous
  • 1
  • More pages
  • 21
  • 22
  • 23
  • More pages
  • 40
  • Next