Ad
Learn more

Browse Latest Open Source Tools & Software

The newest open source tools and software added to OpenAlternative, sorted by publish date. Discover what's fresh in the open source world.

One self-hosted binary replaces Vercel, Sentry, and analytics tools
  • Stars

    Stars growing over the last 30 days919
  • Last commit

    4 hours ago
  • License

    Apache-2.0
Self-hosted platform for small dev teams combining deployments, error tracking, analytics, session replay, uptime monitoring, and managed databases in one dashboard.

Open Source Alternative to:

Privacy-first CAPTCHA alternative with proof-of-work
  • Stars

    Stars growing over the last 30 days8,421
  • Last commit

    5 hours ago
  • License

    Apache-2.0
Lightweight open-source CAPTCHA solution using SHA-256 proof-of-work. 250x smaller than hCaptcha, fully customizable, and privacy-focused with zero telemetry.

Open Source Alternative to:

Design editor that opens Figma files, runs AI, and stays local
  • Stars

    Stars growing over the last 30 days9,863
  • Last commit

    4 hours ago
  • License

    MIT
A Figma-compatible design editor with built-in AI chat, headless CLI, real-time P2P collaboration, and a Vue SDK for building custom editors. No account needed.

Open Source Alternative to:

Self-hosted bookmark manager built for speed and simplicity
  • Stars

    11,425
  • Last commit

    2 days ago
  • License

    MIT
Minimal, fast bookmark manager with automatic metadata fetching, archiving, multi-user support, and browser extensions. Easy Docker setup with SQLite.

Open Source Alternative to:

High-performance terminal with GPU acceleration
  • Stars

    66,193
  • Last commit

    9 days ago
  • License

    Apache-2.0
Modern cross-platform terminal emulator with OpenGL acceleration, extensive configuration options, and vi mode support for enhanced productivity.

Open Source Alternative to:

GPU-accelerated terminal built for power users
  • Stars

    35,690
  • Last commit

    8 hours ago
  • License

    GPL-3.0
High-performance terminal emulator with GPU acceleration, graphics support, and advanced scripting capabilities for developers and system administrators.

Open Source Alternative to:

Markdown that mounts real applications
  • Stars

    77
  • Last commit

    23 days ago
  • License

    MIT
Markdown Document with Mounted Applications, the open-source format that turns AI responses into interactive documents. Forms, tables, approval gates and charts render straight from the chat, no custom UI per use case.

Open Source Alternative to:

Code-first email platform that deploys to your AWS
  • Stars

    67
  • Last commit

    2 days ago
  • License

    AGPL-3.0
Build email templates as React components and automations in TypeScript. Deploy to your AWS account with SES integration. Marketing teams edit content without code.

Open Source Alternative to:

Zero trust network access that's better than VPN
  • Stars

    23,775
  • Last commit

    2 days ago
  • License

    AGPL-3.0
Deploy zero trust access to infrastructure, self-hosted apps, and SaaS tools in days. Identity-aware security with seamless user experience.

Open Source Alternative to:

Zero Trust networking with WireGuard-based secure connectivity
  • Stars

    Stars growing over the last 30 days31,015
  • Last commit

    11 hours ago
  • License

    Unknown
Open source platform combining WireGuard overlay networks with Zero Trust access controls. Features SSO, MFA, device posture checks, and granular policies for secure remote connectivity.

Open Source Alternative to:

Transform any song into karaoke with AI-powered vocals
  • Stars

    Stars growing over the last 30 days1,549
  • Last commit

    5 days ago
  • License

    GPL-3.0
AI-powered karaoke software that separates vocals from any song, transcribes lyrics with word-level sync, scores your pitch in real-time, and includes dynamic backgrounds.

Open Source Alternative to:

AI-powered automation that lives in your Slack workspace
  • Stars

    1,100
  • Last commit

    7 months ago
  • License

    Apache-2.0
Connect all your apps through Pearl, an AI assistant that automates workflows directly in Slack. No coding required - save 10+ hours weekly with intelligent task automation.

Open Source Alternative to:

Bridge internal workflows with public collaboration
  • Stars

    31
  • Last commit

    5 hours ago
  • License

    Unknown
Source-available project management platform with dual views - internal team workspace and public portal for user feedback, voting, and progress tracking.

Open Source Alternative to:

An AI assistant that acts, not just answers
  • Stars

    394,520
  • Last commit

    4 hours ago
  • License

    MIT
A personal AI assistant that connects to your existing chat apps and handles real tasks like email, calendar, and flight check-ins on your behalf.

Open Source Alternative to:

Complete infrastructure monitoring with 25+ years of expertise
  • Stars

    2,065
  • Last commit

    19 days ago
  • License

    GPL-2.0
Free open source IT monitoring solution for servers, networks, and applications. Trusted by 1M+ users worldwide with powerful alerting and enterprise-grade features.

Open Source Alternative to:

AI-powered task management with radical focus
  • Stars

    25
  • Last commit

    11 days ago
  • License

    AGPL-3.0
Open source minimalist task management tool with AI companion that filters noise, automates coordination, and guides teams through complexity with calm focus.

Open Source Alternative to:

Open-source LLM tracing & evaluation for AI optimization
  • Stars

    Stars growing over the last 30 days12,304
  • Last commit

    11 hours ago
  • License

    Elastic-2.0
Open-source platform for LLM tracing, evaluation, and optimization. Features automatic instrumentation, prompt playground, and real-time AI application monitoring.

Open Source Alternative to:

AI coding agent that sees your live app and edits code
  • Stars

    725
  • Last commit

    5 hours ago
  • License

    Apache-2.0
Open-source AI coding agent that runs in your browser, sees your live DOM and app state, and makes real code edits from plain English descriptions.

Open Source Alternative to:

Visual project management with complete data control
  • Stars

    21,172
  • Last commit

    22 hours ago
  • License

    MIT
Open-source Kanban board solution offering visual task management, self-hosting capabilities, and robust security features for teams and individuals.

Open Source Alternative to:

Cross-system automation and knowledge base for accounting firms
  • Stars

    1,722
  • Last commit

    6 months ago
  • License

    Unknown
Connects client data across tools, automates recurring accounting workflows, and maintains a self-updating knowledge base with human approval controls.
Run dozens of AI coding agents in parallel on your machine
  • Stars

    Stars growing over the last 30 days16,312
  • Last commit

    4 hours ago
  • License

    MIT
Desktop app for macOS and Linux that orchestrates multiple AI coding agents simultaneously, each in its own isolated Git worktree, so you can work on many tasks at once.

Open Source Alternative to:

Generate legal policies directly from TypeScript code
  • Stars

    165
  • Last commit

    11 days ago
  • License

    Apache-2.0
Open-source policy-as-code framework that lets developers create privacy policies, terms of service, and legal agreements using TypeScript with built-in GDPR/CCPA compliance.

Open Source Alternative to:

Build complete web apps with integrated graph database
  • Stars

    830
  • Last commit

    5 days ago
  • License

    Unknown
Open-source low-code platform combining Neo4j graph database, visual schema editor, automatic REST APIs, and page rendering in one self-hosted environment.
AI-powered coding made simple and efficient
  • Stars

    Stars growing quickly over the last 30 days61,379
  • Last commit

    4 hours ago
  • License

    MIT
Advanced AI coding assistant that enhances development workflow with intelligent code suggestions, automated debugging, and seamless integration.

Open Source Alternative to:

Multi-model AI workspace with org-wide skill sharing
  • Stars

    24,531
  • Last commit

    4 hours ago
  • License

    MIT
Desktop app for teams to run AI agents across 50+ LLMs, share skills and MCP servers org-wide, and automate browser tasks with your own keys.

Open Source Alternative to:

Build APIs like code with Git-native workspace
  • Stars

    1,819
  • Last commit

    3 days ago
  • License

    Apache-2.0
Offline-first API workspace that unifies specs, docs, tests, and mocks in programmable Markdown blocks. Version control everything in plain text files.

Open Source Alternative to:

End-to-end encrypted collaborative document editor
  • Stars

    Stars growing over the last 30 days471
  • Last commit

    6 days ago
  • License

    AGPL-3.0
Write, organize, and collaborate in real-time with complete privacy and security. This app is an open-source, online/offline compatible, and AI-free alternative to Google Docs.

Open Source Alternative to:

The personal finance app for everyone
  • Stars

    Stars growing quickly over the last 30 days15,643
  • Last commit

    5 hours ago
  • License

    AGPL-3.0
An all-in-one personal finance platform. Track, optimize, grow, and manage your money through every stage of life.

Open Source Alternative to:

Dashboard for running multiple coding agents in parallel
  • Stars

    Stars growing over the last 30 days6,258
  • Last commit

    6 days ago
  • License

    Apache-2.0
Desktop app that runs 25+ coding agents simultaneously, each isolated in its own Git worktree, so you can orchestrate code changes without switching tools.

Open Source Alternative to:

Convert wearable data into actionable health insights with open algorithms
  • Stars

    Stars growing over the last 30 days2,794
  • Last commit

    8 hours ago
  • License

    MIT
Self-hosted health intelligence platform with open algorithms, AI reasoning engine, and zero per-user fees. Connect Apple Health, Whoop, Garmin, Oura, and more.

Open Source Alternative to:

Free offline machine translation API you can host yourself
  • Stars

    Stars growing over the last 30 days17,758
  • Last commit

    1 day ago
  • License

    AGPL-3.0
Self-hosted machine translation API that works offline. Download, setup, and run your own translation server in minutes with complete privacy control.

Open Source Alternative to:

Own your hiring data with unlimited seats forever
  • Stars

    0
  • Last commit

    3 months ago
  • License

    AGPL-3.0
Self-hosted open-source ATS with no per-seat pricing. Full data ownership, modern tech stack, and complete control over your recruitment process.

Open Source Alternative to:

Self-hosted uptime monitoring you own and control
  • Stars

    1,223
  • Last commit

    7 days ago
  • License

    MIT
Open-source uptime monitoring solution with real-time alerts, status pages, and comprehensive checks for websites, APIs, databases, and services.

Open Source Alternative to:

Turn user feedback into features that matter
  • Stars

    41
  • Last commit

    3 days ago
  • License

    SSPL-1.0
Collect feedback, prioritize with AI-powered voting, and share transparent roadmaps. Build products users love with automated triage and seamless integration.

Open Source Alternative to:

Complete website health monitoring and security scanning
  • Stars

    16
  • Last commit

    6 months ago
  • License

    Unknown
Monitor website uptime, detect security vulnerabilities, find broken links, and simulate user flows. Get instant alerts when issues arise. Free tier available.

Open Source Alternative to:

Cut billing costs with open-source subscription management
  • Stars

    237
  • Last commit

    9 months ago
  • License

    AGPL-3.0
Replace expensive billing solutions with open-source software. Automate subscriptions, accept multiple payments including crypto, and gain real-time revenue insights.

Open Source Alternative to:

Deploy apps instantly with git push - open source alternative
  • Stars

    4,832
  • Last commit

    14 days ago
  • License

    MIT
Open source deployment platform that deploys apps directly from GitHub with zero-downtime, real-time logs, preview URLs, and support for Python, Node.js frameworks.

Open Source Alternative to:

Local control smart home automation with privacy first
  • Stars

    92,318
  • Last commit

    4 hours ago
  • License

    Apache-2.0
Open source home automation platform supporting 1000+ devices with local control, powerful automations, custom dashboards, and voice assistant. No cloud required.

Open Source Alternative to:

Privacy-first, cookieless analytics without consent banners
  • Stars

    Stars growing over the last 30 days193
  • Last commit

    8 hours ago
  • License

    AGPL-3.0
GDPR-compliant web analytics with real-time insights, session replay, and funnel tracking. No cookies, no tracking, no consent banners required.

Open Source Alternative to:

Open source messaging with privacy and community focus
  • Stars

    10,893
  • Last commit

    4 hours ago
  • License

    AGPL-3.0
Free, open-source instant messaging and VoIP platform with full Markdown support, voice/video calls, moderation tools, and self-hosting options for communities.

Open Source Alternative to:

Dictate faster and control your Mac with voice
  • Stars

    Stars growing over the last 30 days675
  • Last commit

    2 months ago
  • License

    MIT
Free, open-source macOS voice assistant that transcribes speech, applies AI transformations, and controls apps hands-free. No subscription, no training required.

Open Source Alternative to:

24/7 screen and audio recorder with AI memory search
  • Stars

    22,389
  • Last commit

    4 hours ago
  • License

    Other
Records your screen and microphone locally, transcribes meetings automatically, and exposes selected work context to compatible AI assistants through its MCP server and local API.

Open Source Alternative to: