Open Source Projects using Vitest
A curated collection of the 266 best open source software using Vitest. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.
Visual editing for your Git-based content
Stars
13,845Last commit
1 day agoLicense
Apache-2.0
A headless CMS that simplifies content management with real-time editing, Git-based workflows, and developer-friendly customization.
Open Source Alternative to:
Private meeting notes, no bots, files you own
Stars
9,576Last commit
13 hours agoLicense
MIT
Records system audio without joining your call, then turns rough notes into editable summaries. Audio, transcripts, and notes stay as local files.
Open Source Alternative to:
Accelerate backend development with effortless scalability
Stars
12,555Last commit
2 days agoLicense
MPL-2.0
A powerful platform for building cloud backends, automating infrastructure, and simplifying development workflows for faster, more efficient coding.
Open Source Alternative to:
Ultra-fast AI gateway with enterprise-grade reliability
Stars
Stars growing over the last 30 days9,078Last commit
4 hours agoLicense
Apache-2.0
Open-source AI gateway delivering 50x faster performance than alternatives. Access 1000+ models from 8+ providers with built-in governance, fallback, and observability.
Open Source Alternative to:
Feature flags for rapid, risk-free software deployment
Stars
13,899Last commit
1 day agoLicense
AGPL-3.0
A powerful feature management platform enabling gradual rollouts, A/B testing, and seamless integration for continuous delivery.
Open Source Alternative to:
Realtime client-side database for collaborative apps
Stars
10,553Last commit
6 days agoLicense
Apache-2.0
Instant is a database solution for building real-time and offline-enabled applications, simplifying the development of collaborative products.
Open Source Alternative to:
Open-source integration platform for seamless workflows
Stars
13,998Last commit
9 months agoLicense
Unknown
Self-hosted automation tool that connects your apps and services, enabling powerful integrations and efficient data flow across your ecosystem.
Open Source Alternative to:
Modern payment infrastructure for digital products and SaaS
Stars
10,413Last commit
9 hours agoLicense
Apache-2.0
Comprehensive payment solution with built-in tax handling, automated benefits, and seamless integrations for digital product and SaaS businesses.
Open Source Alternative to:
Secure desktop investment tracker for private wealth management
Stars
9,253Last commit
8 hours agoLicense
AGPL-3.0
Wealthfolio is a simple, secure desktop app for tracking investments and managing your wealth without compromising data privacy.
Open Source Alternative to:
Visual web development with code-level control
Stars
9,105Last commit
4 hours agoLicense
AGPL-3.0
Powerful no-code platform for building responsive websites. Combines visual editing with full HTML/CSS customization.
Open Source Alternative to:
Create powerful forms with ease and flexibility
Stars
9,051Last commit
9 hours agoLicense
AGPL-3.0
A versatile form builder for crafting custom surveys, quizzes, and data collection tools with advanced features and integrations.
Open Source Alternative to:
Cloud browser sessions for AI agents and web automation
Stars
7,862Last commit
3 hours agoLicense
Apache-2.0
Open-source browser infrastructure that lets AI agents and automation scripts control cloud browser fleets via a simple API, with built-in CAPTCHA solving and proxy management.
Open Source Alternative to:
Flexible, scalable Node.js CMS and app framework
Stars
9,980Last commit
2 days agoLicense
MIT
A powerful, customizable content management system and application framework built on Node.js, GraphQL, and React
Open Source Alternative to:
Serverless backend platform for modern app development
Stars
9,366Last commit
4 hours agoLicense
MIT
Fully managed backend infrastructure with built-in authentication, database, storage, and serverless functions for rapid application development.
Open Source Alternative to:
Real-time observability for modern web applications
Stars
9,384Last commit
23 hours agoLicense
Apache-2.0
Comprehensive monitoring solution offering error tracking, session replay, and performance insights for seamless debugging and optimization.
Open Source Alternative to:
Flexible e-commerce for modern businesses
Stars
8,539Last commit
1 day agoLicense
MIT
A headless, API-first e-commerce framework built on Node.js with TypeScript, offering customization and scalability for online stores.
Open Source Alternative to:
Visual development platform for modern web experiences
Stars
8,872Last commit
10 hours agoLicense
MIT
Drag-and-drop interface for creating and optimizing digital experiences, with headless CMS and powerful integrations.
Open Source Alternative to:
Open-source A/B testing and feature flagging platform
Stars
8,528Last commit
5 hours agoLicense
MIT
Powerful, developer-friendly experimentation tool for data-driven product decisions. Seamless integration, real-time insights, and flexible deployment.
Open Source Alternative to:
Self-hosted AI agents that do real work on your machine
Stars
Stars growing quickly over the last 30 days5,587Last commit
3 hours agoLicense
Apache-2.0
Run persistent AI bots that sign into your tools, complete tasks autonomously, and ask for approval when needed. Your keys, your model, your infrastructure.
Open Source Alternative to:
Self-hostable voice agent platform with full model control
Stars
Stars growing over the last 30 days5,947Last commit
21 hours agoLicense
BSD-2-Clause
Open-source voice agent platform that lets you plug in your own STT, LLM, and TTS models, deploy on-prem or in your VPC, and build agents via MCP or a visual workflow builder.
Open Source Alternative to:
A team of AI agents in a chat app, on your own machine
Stars
Stars growing quickly over the last 30 days5,551Last commit
3 hours agoLicense
Apache-2.0
Run a team of AI agents locally on your own API keys and subscriptions, with scheduled tasks, computer use, and Gmail, GitHub and Slack integrations.
Open Source Alternative to:
Simple yet powerful CI/CD engine with great extensibility
Stars
8,044Last commit
14 hours 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:
Secure, customizable e-signatures for modern businesses
Stars
7,166Last commit
1 day agoLicense
AGPL-3.0
A powerful, open-source e-signature solution offering customization, integration, and enhanced security for businesses of all sizes.
Open Source Alternative to:
Modular auth, payments, emails, and analytics for your product
Stars
6,878Last commit
22 hours agoLicense
Unknown
Self-hostable platform combining user auth, payments, email, and analytics into modular building blocks that fit around your existing product.
Open Source Alternative to:
Visual app builder that integrates with your existing codebase
Stars
7,125Last commit
3 hours agoLicense
MIT
Open-source visual editor for building websites and web apps. Connect to any data source, design custom UIs, and ship production React code without leaving your stack.
Open Source Alternative to:
Dashboard for running multiple coding agents in parallel
Stars
Stars growing over the last 30 days6,071Last commit
1 day agoLicense
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:
Auto-generated network diagrams that stay current
Stars
5,899Last commit
2 days agoLicense
AGPL-3.0
Discovers your network via SNMP, LLDP, and ARP, then builds and maintains L2/L3 topology diagrams, host inventories, and service dependency maps automatically.
Open Source Alternative to:
Desktop SQL client with built-in MCP for AI agent access
Stars
Stars growing over the last 30 days5,276Last commit
15 hours agoLicense
Apache-2.0
Desktop database client for PostgreSQL, MySQL/MariaDB, SQLite, and 14+ more databases, with a built-in MCP server, SQL notebooks, visual query builder, and a plugin system.
Open Source Alternative to:
Build stateful backends with in-memory actors
Stars
6,327Last commit
20 hours agoLicense
Apache-2.0
Open-source infrastructure for long-lived, in-memory processes called Actors. Combines state and compute with sub-millisecond latency, realtime capabilities, and horizontal scaling.
Open Source Alternative to:
Transform SQL into beautiful data stories
Stars
7,056Last commit
1 day agoLicense
MIT
Create data-driven websites and reports using SQL and Markdown, with automatic visualizations and interactive elements.
Open Source Alternative to:
Organize and secure your documents in one central hub
Stars
5,592Last commit
4 hours agoLicense
AGPL-3.0
A document management platform that helps you archive, organize, and search files with email ingestion, tagging capabilities, and powerful search functionality.
Open Source Alternative to:
Programmable notes with queries, Lua scripting, and wiki links
Stars
Stars growing over the last 30 days6,380Last commit
2 days agoLicense
MIT
A self-hosted, browser-based note-taking system that turns plain Markdown pages into a queryable, scriptable knowledge base you control.
Open Source Alternative to:
Automated translations that scale with your code and commits
Stars
5,400Last commit
3 days agoLicense
Apache-2.0
Transform your app into a global product with AI-powered localization that integrates directly into your development workflow. Supports 83+ languages with Git-native automation.
Open Source Alternative to:
Virtual office platform for engaging remote collaboration
Stars
5,884Last commit
7 hours agoLicense
Unknown
Create customizable virtual workspaces for remote teams to interact naturally, host events, and collaborate through spontaneous conversations and scheduled meetings.
Open Source Alternative to:
Open-source BI for modern data teams
Stars
6,197Last commit
5 hours agoLicense
MIT
Self-serve analytics platform that transforms dbt models into interactive dashboards, enabling data-driven decisions across organizations.
Open Source Alternative to:
Intercept, modify, and debug HTTP(S) requests effortlessly
Stars
6,755Last commit
2 days agoLicense
AGPL-3.0
A powerful browser extension and desktop app for developers to manipulate network requests, debug APIs, and improve web app testing
Open Source Alternative to:
Secure, scalable API key management for developers
Stars
5,476Last commit
3 hours agoLicense
AGPL-3.0
Streamline API authentication with UnKey's powerful, developer-friendly platform for creating, revoking, and monitoring API keys.
Open Source Alternative to:
Organize, collaborate, and conquer your tasks
Stars
Stars growing over the last 30 days5,841Last commit
5 hours agoLicense
AGPL-3.0
A powerful, open-source task management platform for teams and individuals, offering customizable workflows and seamless integration.
Open Source Alternative to:
Lightweight self-hosted bookkeeping with AI receipt scanning
Stars
Stars growing over the last 30 days5,820Last commit
14 hours 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:
Effortless event-driven workflows for modern applications
Stars
5,987Last commit
3 hours agoLicense
SSPL-1.0
Simplify backend processes with event-driven functions, seamless integrations, and powerful debugging tools for developers.
Open Source Alternative to:
Build reliable AI agents with unified tool integration
Stars
4,921Last commit
1 day agoLicense
Apache-2.0
Platform for connecting AI agents to 500+ tools with built-in multi-tenant auth management and granular permissions using either function calling or a unified MCP server
Open Source Alternative to:
Full observability for AI agents in production
Stars
4,735Last commit
15 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:
Postiz – The All-in-One agentic social media scheduling tool
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