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.
Inspect, debug, and replay BullMQ queues visually
Stars
441Last commit
4 months agoLicense
MIT
Desktop app and embeddable dashboard for BullMQ that shows live queue metrics, job runs, FlowProducer graphs, and scheduler status without touching Redis directly.
Open Source Alternative to:
Minimal terminal coding agent you can fully customize
Stars
105,605Last commit
11 hours agoLicense
MIT
Terminal-based coding agent with a minimal core, 15+ LLM providers, tree-structured session history, and a TypeScript extension system for building your own workflows.
Open Source Alternative to:
Full observability for AI agents in production
Stars
4,646Last commit
13 hours agoLicense
MIT
Open-source platform for monitoring AI agents: captures traces, surfaces failure patterns, alerts on issues, and helps you verify fixes with automated evals.
Open Source Alternative to:
Self-hosted project management with boards and test tracking
Stars
170Last commit
14 hours agoLicense
AGPL-3.0
Self-hosted, open-source project management tool with boards, milestones, portals, time tracking, and test management on your own infrastructure.
Open Source Alternative to:
Schedule posts to every major social network, self-hosted
Stars
616Last commit
1 day agoLicense
AGPL-3.0
Plan, schedule, and auto-publish social media content across 10+ networks with a visual calendar, AI captions, team approvals, and self-hosting support.
Open Source Alternative to:
Trace, evaluate, and protect every LLM call in one SDK
Stars
8Last commit
21 days agoLicense
AGPL-3.0
An AI gateway that sits on the request path to handle PII redaction, prompt injection blocking, tracing, evals, and cost tracking for OpenAI, Anthropic, and Gemini.
Open Source Alternative to:
Build and play games inside a game engine that runs live
Stars
6,465Last commit
13 hours agoLicense
MIT
A game creation platform built on Valve's Source 2 engine, letting you build, share, and play games without leaving the environment.
Open Source Alternative to:
AI agent workflows built natively into GitHub
Stars
1,193Last commit
1 day agoLicense
MIT
An open-source GitHub bot that runs AI agents to review PRs, triage issues, fix CI failures, and ship code using any LLM provider.
Open Source Alternative to:
Free, cross-platform video editor that's easy to learn
Stars
6,499Last commit
24 hours agoLicense
GPL-3.0
A free, open-source video editor for Linux, Mac, and Windows with animation, effects, multi-track editing, and 3D title rendering.
Open Source Alternative to:
Local-first, Git-native personal knowledge base with AI
Stars
19,792Last commit
4 days agoLicense
AGPL-3.0
A free, open source note-taking app built on plain Markdown files, Git version control, and direct AI model integration. No account required.
Open Source Alternative to:
Messaging SDK with AI agents for web, iOS, and Android
Stars
545Last commit
12 hours agoLicense
Apache-2.0
Build branded chat apps with AI agents, group messaging, document exchange, and digital wallets using React and React Native components.
Open Source Alternative to:
Email inbox API built for AI agents and workflows
Stars
38Last commit
1 day agoLicense
MIT
Provides AI agents with real email inboxes via REST API. Create inboxes instantly, send and receive messages, search threads, and handle attachments programmatically.
Serverless team chat over Tor, no phone number needed
Stars
2,648Last commit
9 hours agoLicense
GPL-3.0
Quiet is a peer-to-peer messaging app that syncs messages directly between devices over Tor, with no central server, no phone number required, and no metadata leaks.
Open Source Alternative to:
Python, SQL, and AI in a collaborative data notebook
Stars
3,009Last commit
15 hours agoLicense
Apache-2.0
Deepnote is an open-source collaborative notebook for data analysts and scientists, combining Python, SQL, AI assistance, and live sharing in one cloud platform.
Open Source Alternative to:
A spreadsheet engine you can embed, self-host, or run in the browser
Stars
4,161Last commit
3 days agoLicense
Apache-2.0
IronCalc is an open-source, Rust-powered spreadsheet engine with .xlsx support, 300+ functions, and bindings for JavaScript and Python.
Open Source Alternative to:
System-wide ad-blocking and privacy protection, no extensions needed
Stars
4,226Last commit
18 days agoLicense
MIT
Free, open-source desktop app that blocks ads, trackers, and surveillance scripts across all browsers and apps on Windows, macOS, and Linux.
Open Source Alternative to:
Lightweight self-hosted bookkeeping with AI receipt scanning
Stars
5,581Last commit
1 day agoLicense
MIT
A privacy-first personal finance app with two-level accounts, multi-currency support, AI receipt recognition, and broad data import from formats like GnuCash and Firefly III.
Open Source Alternative to:
Open source cloud infrastructure trusted at massive scale
Stars
6,032Last commit
11 hours agoLicense
Apache-2.0
OpenStack manages compute, storage, and networking across VMs, bare metal, and containers via APIs or a dashboard. Trusted by Walmart, China Mobile, and more.
Open Source Alternative to:
Transcribe meetings and voice notes with local AI, no bots required
Stars
88Last commit
11 hours agoLicense
MIT
Free, open-source AI note-taker that transcribes meetings and voice notes locally using Whisper and Parakeet. Works on Mac, Windows, and mobile without invasive bots.
Open Source Alternative to:
Affiliate marketing platform built for SaaS companies
Stars
24,748Last commit
9 hours agoLicense
AGPL-3.0
Run affiliate, influencer, and referral programs with flexible reward structures, real-time attribution, and automated global payouts.
Open Source Alternative to:
Unified observability database for metrics, logs, and traces
Stars
6,674Last commit
14 hours agoLicense
Apache-2.0
Cloud-native observability database unifying metrics, logs, and traces with sub-second queries, 50x cost reduction, and seamless OpenTelemetry integration.
Open Source Alternative to:
Simple yet powerful CI/CD engine with great extensibility
Stars
7,881Last commit
1 day agoLicense
Apache-2.0
Open-source CI/CD platform using Docker containers for pipeline execution. Create multiple workflows, extend with plugins, and enjoy free lifetime access.
Open Source Alternative to:
AI-powered root cause analysis for on-call alerts, self-hosted and air-gapped
Stars
38Last commit
9 days agoLicense
Apache-2.0
Receive alerts from Grafana, Datadog, and Prometheus with AI-generated root cause analysis. Self-hosted on Kubernetes, fully air-gapped capable, Apache 2.0 licensed.
Open Source Alternative to:
Create 2D and 3D games without coding, powered by AI assistance
Stars
26,552Last commit
11 hours agoLicense
Unknown
Free, open-source game engine with visual event system, AI tutor, and one-click publishing to Steam, iOS, Android, and web platforms.
Open Source Alternative to:
Enterprise workplace AI with data you own and control
Stars
3,748Last commit
9 hours agoLicense
Apache-2.0
Self-hostable enterprise AI platform that unifies business data across apps, powers a knowledge graph for cited answers, and lets teams build AI agents across their stack.
Open Source Alternative to:
Self-hosted personal finance manager with double-entry bookkeeping
Stars
24,637Last commit
9 hours agoLicense
AGPL-3.0
Track transactions, budgets, and accounts with a double-entry system, multi-currency support, rule engine, and REST API. Fully self-hostable.
Open Source Alternative to:
Self-hosted uptime monitoring that runs on your hardware, not their servers
Stars
75Last commit
25 days agoLicense
MIT
Deploy your own uptime and performance monitoring with HTTP/ICMP checks, multi-region probes, and custom status pages. MIT licensed, runs on minimal hardware.
Open Source Alternative to:
Text-based diagramming that renders in code and docs
Stars
90,252Last commit
16 hours agoLicense
MIT
Create flowcharts, sequence diagrams, Gantt charts, and more using a simple Markdown-like syntax that renders anywhere.
Open Source Alternative to:
Project management for teams mixing humans and AI agents
Stars
49,934Last commit
9 hours agoLicense
Unknown
Open-source platform that manages coding agents as team members, with task queues, skill libraries, runtime monitoring, and a unified activity feed.
Open Source Alternative to:
Open-source legal AI that law firms control and extend
Stars
4,233Last commit
10 hours agoLicense
AGPL-3.0
Self-hostable alternative to Harvey and Legora with document analysis, contract drafting, tabular review, and reusable workflows. Zero licensing costs, full data control.
Open Source Alternative to:
Browser and notebook combined with local-first AI
Stars
3,568Last commit
22 days agoLicense
Apache-2.0
A browser that doubles as a personal notebook, letting you research, summarize, and take notes on web pages, PDFs, and videos without switching apps.
Open Source Alternative to:
Organize terminal sessions with built-in layouts, tabs, and panes
Stars
35,420Last commit
2 days agoLicense
MIT
A terminal multiplexer that organizes your workflow with intuitive layouts, tabs, and panes. Includes batteries for seamless terminal workspace management.
Open Source Alternative to:
Self-hosted encrypted backups with 70+ cloud storage options
Stars
784Last commit
7 days agoLicense
Apache-2.0
Free, open-source backup solution with end-to-end encryption. Self-hosted control, supports 70+ cloud providers, automated incremental backups, and zero vendor lock-in.
Open Source Alternative to:
AI-native CRM/ERP foundation with 80% already built
Stars
1,735Last commit
11 hours agoLicense
MIT
A modular CRM/ERP framework built on Next.js and TypeScript that encodes hundreds of architectural decisions so dev teams can ship production features in days, not months.
Open Source Alternative to:
GPU-accelerated terminal emulator with multiplexing across all platforms
Stars
28,908Last commit
17 hours agoLicense
MIT
Cross-platform terminal emulator and multiplexer with GPU acceleration, true color support, and Lua configuration. Runs on Linux, macOS, Windows, FreeBSD, and NetBSD.
Open Source Alternative to:
TypeScript framework for building autonomous AI agents
Stars
632Last commit
4 days agoLicense
Apache-2.0
Open-source TypeScript runtime for autonomous AI agents with cognitive memory, multi-agent orchestration, runtime tool generation, and support for 21 LLM providers.
A modern terminal built around AI coding agents
Stars
65,035Last commit
8 hours agoLicense
AGPL-3.0
Terminal built for running AI coding agents like Claude Code, Codex, and Gemini CLI, with shared context, interactive code review, and multi-session management.
Open Source Alternative to:
Lightweight, accessible product tours built for React developers
Stars
66Last commit
20 hours agoLicense
MIT
Headless React tour library with WCAG 2.1 AA accessibility, TypeScript support, and pre-styled components. Under 8KB gzipped with full customization control.
Open Source Alternative to:
Professional audio editing made simple and free
Stars
18,440Last commit
13 hours agoLicense
Unknown
Free, open-source audio editor and recorder for all platforms. Record, edit, mix and enhance audio with professional tools. Perfect for music, podcasts, and more.
Open Source Alternative to:
Self-hosted SEO platform for keyword, backlink, and rank tracking
Stars
18,798Last commit
4 days agoLicense
MIT
Manage keyword research, backlink analysis, competitor monitoring, and rank tracking without expensive SaaS subscriptions. Self-hostable, MIT-licensed, uses DataForSEO.
Open Source Alternative to:
Visual website builder and CMS you can self-host
Stars
306Last commit
20 hours agoLicense
MIT
Build, manage, and host custom websites with a visual drag-and-drop builder and CMS. Self-host free or use managed cloud hosting.
Open Source Alternative to:
Privacy-first analytics you own completely
Stars
88Last commit
4 days agoLicense
MIT
Self-hosted or managed web analytics with zero external dependencies. Cookie-free tracking, full data sovereignty, and single binary deployment for organizations that own their data.
Open Source Alternative to:
c15t – Open-source cookie banner, built for control and lightening fast modern web apps.
CodeRabbit
Docmost
Stellar Hosted