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Handpicked Open Source Alternatives to Paid Softwares

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Open Source Alternatives to Paid Software

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Alternative guides
Claude CodeJiraNotionSlackLinearWispr FlowConductor
ArcCapCutGrok BotSuperhumanAirtableMuseRailway

Featured

It's a Plan

Sponsored

Alternative toLinear

Self-hosted issue tracker where people and AI agents share one board.

  • 2,170 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Agent Reach

Alternative toFirecrawl

Give any AI agent internet access, free and local

  • 108,787 GitHub stars
  • MITLicence MIT
  • #AI Agents

rakazo

Sponsored

Alternative toGrok Bot

AI teammates you own: your keys, your model, your machine.

  • 7,028 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

Inbox Zero

Sponsored

Alternative toSuperhuman

AI email assistant that drafts replies and clears your inbox

  • 12,915 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Email

n8n

Alternative toZapier

Self-hosted workflow automation with 400+ node connectors

  • 209,549 GitHub stars

Windshift

Sponsored

Alternative toJira

Self-hosted work management for teams leaving Jira

  • 404 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

God's Eye View

Alternative toFFlightradar24

Real-time global intelligence on a 3D globe

  • 62,832 GitHub stars
  • CustomLicence MIT with third-party data restrictions
  • #AI Agents

REA (Reverse Engineer Anything)

Alternative toRevEng.AI

AI-powered reverse engineering for binaries, apps, and assemblies.

  • 431,018 GitHub stars
  • MITLicence MIT

SnitchFeed

Sponsored

Live monitoring on LinkedIn, X, Reddit & more. Agentic social listening for startups.

Marketing & Growth

OpenClaw

Alternative toMuse

Self-hosted AI assistant for WhatsApp, Telegram, and more

  • 393,917 GitHub stars
  • MITLicence MIT
  • #AI Agents

Hermes Agent

Alternative toGrok Bot

Self-hosted AI agent: persistent memory, multi-channel chat, model choice.

  • 260,560 GitHub stars
  • MITLicence MIT
  • #AI Agents

CleanYourTV

Alternative toATV Launcher Pro

Debloat any Android or Google TV over Wi-Fi and get an Apple TV-style home.

  • 51,495 GitHub stars
  • MIT LicenseLicence MIT License

Spotifast

Alternative toSpotify Premium

Spotify, native and fast, for Linux, macOS, and Windows.

  • 9,584 GitHub stars
  • MITLicence MIT
  • #macOS

paperclip

Alternative toGrok Bot

Self-hosted AI agent management with org charts and budgets

  • 111,113 GitHub stars
  • MITLicence MIT
  • #AI Agents

Buzz

Alternative toSlack

Self-hosted team chat where people and AI agents work together

  • 36,728 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Chat

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Trending open source projects this week

The projects gaining the most GitHub stars in the last seven days.

As of 5 Nov 2026

  1. 0101+28,084 stars this week

    REA (Reverse Engineer Anything)

    Featured

    AI-powered reverse engineering for binaries, apps, and assemblies.

    Alternative toRevEng.AI

    Alternative toRevEng.AI

    +28,084 stars this week431,382 GitHub stars
  2. 0202+10,891 stars this week

    Agent Desktop

    Desktop computer use for AI agents via OS accessibility tree

    InAI & Machine Learning

    InAI & Machine Learning

    +10,891 stars this week15,397 GitHub stars
  3. 0303+15,588 stars this week

    T3 Code

    Control your coding agents from one interface

    Alternative toConductor

    Alternative toConductor

    +15,588 stars this week46,806 GitHub stars
  4. 0404+8,899 stars this week

    claude-mem

    Stop re-explaining your codebase to every new agent session

    Alternative toContextPool

    Alternative toContextPool

    +8,899 stars this week112,965 GitHub stars
  5. 0505+8,059 stars this week

    CleanYourTV

    Featured

    Debloat any Android or Google TV over Wi-Fi and get an Apple TV-style home.

    Alternative toATV Launcher Pro

    Alternative toATV Launcher Pro

    +8,059 stars this week52,086 GitHub stars
  6. 0606+7,951 stars this week

    VoiceStudio

    Voice cloning, dubbing, and transcription that runs fully offline

    Alternative toElevenLabs

    Alternative toElevenLabs

    +7,951 stars this week101,114 GitHub stars
  7. 0707+7,786 stars this week

    security-audit-skill

    Multi-phase security audits with machine-readable findings

    Alternative toSnyk

    Alternative toSnyk

    +7,786 stars this week59,599 GitHub stars
  8. 0808+7,648 stars this week

    Skills for Real Engineers

    Empower AI coding agents with essential engineering skills.

    InDeveloper Tools

    InDeveloper Tools

    +7,648 stars this week313,509 GitHub stars
  9. 0909+7,175 stars this week

    Hallmark

    Design skill for coding agents with 48 themes, real photos and lint.

    InDesign & Creative

    InDesign & Creative

    +7,175 stars this week48,053 GitHub stars
  10. 1010+6,841 stars this week

    DeepTutor

    Agentic framework for lifelong personalized tutoring

    Alternative toKhanmigo

    Alternative toKhanmigo

    +6,841 stars this week55,204 GitHub stars

New open source projects by email

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

Open source alternative guides

Long, ranked guides to open source software alternatives, each reviewed and dated by our editors.

Browse all 14 alternative guides

Claude Code open source alternatives

10 ranked · reviewed 15 Sept
  1. 1OpenCode224,587 GitHub stars
  2. 2oh-my-pi37,794 GitHub stars
  3. 3kilocode27,863 GitHub stars
Read the Claude Code guide →

Jira open source alternatives

10 ranked · reviewed 10 Sept
  1. 1Windshift404 GitHub stars
  2. 2OpenProject16,986 GitHub stars
  3. 3Plane61,974 GitHub stars
Read the Jira guide →

Notion open source alternatives

9 ranked · reviewed 25 Aug
  1. 1AppFlowy78,217 GitHub stars
  2. 2AFFiNE74,216 GitHub stars
  3. 3Outline41,170 GitHub stars
Read the Notion guide →

Slack open source alternatives

8 ranked · reviewed 2 Sept
  1. 1Mattermost39,524 GitHub stars
  2. 2Rocket.Chat46,371 GitHub stars
  3. 3Zulip26,171 GitHub stars
Read the Slack guide →

Linear open source alternatives

8 ranked · reviewed 2 Sept
  1. 1GitLab24,548 GitHub stars
  2. 2OpenProject16,986 GitHub stars
  3. 3Taiga385 GitHub stars
Read the Linear guide →

Wispr Flow open source alternatives

8 ranked · reviewed 18 Sept
  1. 1Handy37,556 GitHub stars
  2. 2VoiceInk7,023 GitHub stars
  3. 3FluidVoice12,818 GitHub stars
Read the Wispr Flow guide →

Conductor open source alternatives

12 ranked · reviewed 5 Nov
  1. 1Orca115,397 GitHub stars
  2. 2T3 Code46,806 GitHub stars
  3. 3Paseo23,074 GitHub stars
Read the Conductor guide →

Arc open source alternatives

6 ranked · reviewed 27 Oct
  1. 1Zen Browser45,562 GitHub stars
  2. 2Floorp8,474 GitHub stars
  3. 3Brave3,751 GitHub stars
Read the Arc guide →

CapCut open source alternatives

5 ranked · reviewed 6 Oct
  1. 1Concat13,996 GitHub stars
  2. 2OpenCut97,106 GitHub stars
  3. 3Shotcut15,607 GitHub stars
Read the CapCut guide →

Grok Bot open source alternatives

8 ranked · reviewed 8 Sept
  1. 1rakazo7,028 GitHub stars
  2. 2OpenMausBot12,186 GitHub stars
  3. 3OpenBot9,980 GitHub stars
Read the Grok Bot guide →

Superhuman open source alternatives

7 ranked · reviewed 2 Sept
  1. 1Inbox Zero12,915 GitHub stars
  2. 2Macro6,143 GitHub stars
  3. 3Mailspring17,995 GitHub stars
Read the Superhuman guide →

Airtable open source alternatives

7 ranked · reviewed 2 Sept
  1. 1AITable15,658 GitHub stars
  2. 2Budibase 28,382 GitHub stars
  3. 3ToolJet41,196 GitHub stars
Read the Airtable guide →

Popular and new self-hosted open source projects

The most starred open source alternatives to paid software, then the newest additions. Each one is free to install or self-host.

Browse recently added projects

MiroFish

InAI & Machine Learning

Multi-agent simulation engine that predicts real-world outcomes

  • 83,421 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

MinerU

Alternative toLlamaParse

Document parsing for LLM workflows, OCR, and agent reading.

  • 82,988 GitHub stars
  • CustomLicence Apache-2.0 with commercial threshold and attribution terms
  • #LLM

Netdata

Alternative toDatadog

Real-time infrastructure monitoring with zero configuration

  • 81,270 GitHub stars
  • GPL-3.0Licence GPL-3.0
  • #Monitoring

screenshot-to-code

Alternative toGoogle Stitch

Turn any design screenshot into clean, working code with AI

  • 81,027 GitHub stars
  • MITLicence MIT

RuFlo

Alternative toConductor

Deploy intelligent AI agents with ease.

  • 80,856 GitHub stars
  • MITLicence MIT
  • #AI Agents

Hoppscotch

Alternative toPostman

Open source Postman alternative for REST and GraphQL testing

  • 80,746 GitHub stars
  • MITLicence MIT
  • #API Client

career-ops

Alternative toAIApply

AI job search agent that scores listings and tailors CVs locally.

  • 80,255 GitHub stars
  • MITLicence MIT

Code Server

Alternative toGitHub Codespaces

VS Code in the browser, self-hosted, with no per-seat pricing.

  • 79,767 GitHub stars
  • MITLicence MIT

Unsloth

Alternative toTogether AI

Train LLMs locally without code using a browser-based interface

  • 79,053 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

hyperframes

Alternative toRemotion

Turn HTML and CSS into rendered MP4 videos, built for AI agents.

  • 79,032 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Video

OBS Studio

Alternative tovMix

Record and stream with multi-source scenes and hardware encoding

  • 78,960 GitHub stars
  • GPL-2.0Licence GPL-2.0
  • #Video

headroom

Alternative toThe Token Company

Compress LLM context before it reaches the model

  • 78,829 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #LLM

AppFlowy

Alternative toNotion

Open source Notion alternative with AI, self-hosted

  • 78,217 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Grafana

Alternative toDatadog

Open source dashboards for metrics, logs, and traces

  • 77,679 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Monitoring

Synara

NEW

Alternative toConductor

Free, local-first desktop workspace for parallel AI coding agents.

  • 2,176 GitHub stars
  • MITLicence MIT

Redis

Alternative toAmazon ElastiCache for Redis

High-performance open source in-memory data structure store

  • 77,199 GitHub stars
  • #Database

OpenMontage

Alternative toInVideo AI

Turn your AI coding assistant into a video studio

  • 76,842 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Video

Kandev

NEW

Alternative toConductor

Agent orchestration workbench with parallel worktrees and reviews.

  • 1,063 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #AI Agents

codegraph

Alternative toAtlassian Code Context

Transform codebases into queryable knowledge graphs

  • 76,617 GitHub stars
  • MITLicence MIT

Apache Superset

Alternative toMicrosoft Power BI

Open source data visualization and BI exploration tool

  • 75,404 GitHub stars
  • Apache-2.0Licence Apache-2.0

Maestro

NEW

Alternative toConductor

Desktop orchestrator for parallel AI coding agent fleets

  • 3,540 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #AI Agents

OpenBB

Alternative toLSEG Workspace (formerly Refinitiv Eikon)

Open source AI research workspace for financial analysis

  • 75,027 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

AFFiNE

Alternative toNotion

Local-first workspace combining docs, whiteboards, and notes

  • 74,216 GitHub stars
  • MITLicence MIT

Orchestrator

NEW

Alternative toConductor

Run a parallel coding agent fleet from one desktop workspace.

  • 14,118 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #AI Agents

strix

Alternative toXBOW

Autonomous AI pentesting with proof-of-exploit and auto-fix PRs.

  • 73,803 GitHub stars
  • Apache-2.0Licence Apache-2.0

OpenSpec

Alternative toAmazon Kiro

Spec-driven development for AI coding assistants

  • 73,798 GitHub stars
  • MITLicence MIT

bb

NEW

Alternative toConductor

Multi-agent IDE coordinating Claude Code, Codex, Cursor, and more.

  • 4,896 GitHub stars
  • MITLicence MIT

Mole

Alternative toCleanMyMac X

Free CLI and native app for Mac cleanup, uninstall, and disk analysis

  • 73,715 GitHub stars
  • GPL-3.0Licence GPL-3.0
  • #macOS

Strapi

Alternative toContentful

Headless CMS with auto-generated REST and GraphQL for any content model.

  • 73,431 GitHub stars
  • MITLicence MIT

Xum

NEW

Alternative toConductor

Parallel coding agents in isolated workspaces, LLM-agnostic.

  • 2,065 GitHub stars
  • AGPL-3.0Licence AGPL-3.0

Cline

Alternative toGitHub Copilot

VS Code AI agent that plans and edits across your entire project

  • 71,305 GitHub stars
  • Apache-2.0Licence Apache-2.0

Vaultwarden

Alternative toBitwarden

Lightweight self-hosted password manager server, Bitwarden compatible

  • 70,224 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Security

Stalwart

NEW

Alternative toMicrosoft 365

Mail and collaboration server in Rust, one binary for everything.

  • 15,731 GitHub stars
  • AGPL-3.0Licence AGPL-3.0
  • #Email

AnythingLLM

Alternative toChatGPT

Chat with your documents using any LLM, private and self-hosted

  • 67,943 GitHub stars
  • MITLicence MIT
  • #AI Agents

daily_stock_analysis

Alternative toSeeking Alpha Premium

AI-driven stock analysis for A, HK, and US markets

  • 67,572 GitHub stars
  • MITLicence MIT
  • #LLM

Duplicati

NEW

Alternative toArq Backup

Free encrypted backup client for 20+ cloud services, self-hosted

  • 15,183 GitHub stars
  • MITLicence MIT

Prometheus

Alternative toDatadog

Time series monitoring with a dimensional model and PromQL query language.

  • 66,940 GitHub stars
  • Apache-2.0Licence Apache-2.0
  • #Monitoring

Ladybird

Alternative toGoogle Chrome

Browser with its own rendering engine, no Chrome or Firefox code

  • 66,849 GitHub stars
  • BSD-2-ClauseLicence BSD-2-Clause

Pr Agent

NEW

Alternative toCodeRabbit

Open source AI PR reviewer for GitHub, GitLab, Bitbucket, and more

  • 14,767 GitHub stars
  • MITLicence MIT

Docusaurus

Alternative toGitBook

React-based static site generator for documentation

  • 66,653 GitHub stars
  • MITLicence MIT
Browse all 1,127 open source alternatives

Open source software by category

21 categories of self-hosted open source software, including Developer Tools, AI and Machine Learning, and Business and Productivity.

Browse all 21 categories
571

Developer Tools

REA (Reverse Engineer Anything), Skills for Real Engineers, superpowers487

AI & Machine Learning

freeCodeCamp, REA (Reverse Engineer Anything), OpenClaw275

Business & Productivity

OpenClaw, Excalidraw, RustDesk209

Web Development

Skills for Real Engineers, freeCodeCamp, superpowers173

Security & Monitoring

RustDesk, REA (Reverse Engineer Anything), Uptime Kuma154

Communication & Collaboration

iptv, freeCodeCamp, Excalidraw146

IT Management

Immich, RustDesk, Stirling PDF128

Cloud & Hosting

dify, RuView, rtk126

LLMOps & AI Tooling

Hermes Agent, OpenCode, MarkItDown119

DevOps & CI/CD

Nvm, Uptime Kuma, Netdata119

Product & Project Management

agency-agents, freeCodeCamp, Gstack118

Data & Analytics

Firecrawl, ragflow, Worldmonitor115

Design & Creative

ComfyUI, Excalidraw, Godot Engine90

APIs & Integration

n8n, Firecrawl, iptv81

Backend Development

graphify, dify, Rust75

Databases & Storage

Supabase, Immich, Redis70

Marketing & Growth

MoneyPrinterTurbo, agency-agents, MiroFish43

Web & App Development

Flutter, Rust, Nvm40

No-Code & Low-Code

Langflow, n8n, dify38

Finance & Fintech

TradingAgents, MiroFish, OpenBB32

Customer Support

Twenty, agency-agents, iptv

Articles on open source software

Browse the blog
17 Oct 2026

Best Open Source AI Video Generators in 2026: 8 Compared

I compared 8 open source AI video generators, from raw model weights in ComfyUI and Wan2.2 to finished-short pipelines in MoneyPrinterTurbo.

15 May 2026

The Best Open Source AI Tools You Can Run on Your Own Hardware

Stop paying per token. These open source AI models and tools run entirely on your own hardware: no API keys, no data leaving your server, no monthly bills that scale with usage.

15 May 2026

Best Open Source Git Hosting Platforms for Self-Hosted Teams

GitHub lock-in is real. These open source git hosting platforms let you self-host repositories, CI/CD, and code review on your own server.

New open source projects by email

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

Find open source alternatives to paid software

/
  • Claude Code to OpenCode
  • Jira to Windshift
  • Notion to AppFlowy
  • Slack to Mattermost
  • Linear to GitLab
  • Wispr Flow to Handy
  • Arc to Zen Browser
  • CapCut to Concat
  • Grok Bot to rakazo
  • Superhuman to Inbox Zero
  • Airtable to AITable
  • Muse to OpenClaw
  • Railway to Coolify
  • GitHub Copilot to Cline
  • Datadog to Netdata
  • Confluence to Wiki.js
  • Microsoft Teams to Rocket.Chat
  • Firebase to Supabase
  • Pinecone to Qdrant
  • Zapier to n8n
  • 1Password to KeePassXC
  • Devin AI to OpenHands
  • Asana to Leantime
  • Contentful to Strapi
  • Claude Code to OpenCode
  • Jira to Windshift
  • Notion to AppFlowy
  • Slack to Mattermost
  • Linear to GitLab
  • Wispr Flow to Handy
  • Arc to Zen Browser
  • CapCut to Concat
  • Grok Bot to rakazo
  • Superhuman to Inbox Zero
  • Airtable to AITable
  • Muse to OpenClaw
  • Railway to Coolify
  • GitHub Copilot to Cline
  • Datadog to Netdata
  • Confluence to Wiki.js
  • Microsoft Teams to Rocket.Chat
  • Firebase to Supabase
  • Pinecone to Qdrant
  • Zapier to n8n
  • 1Password to KeePassXC
  • Devin AI to OpenHands
  • Asana to Leantime
  • Contentful to Strapi