Open Source Projects using Vitest
A curated collection of the 244 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.
Create powerful forms with ease and flexibility
Stars
8,945Last commit
5 days 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:
Visual web development with code-level control
Stars
8,860Last commit
11 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:
Secure desktop investment tracker for private wealth management
Stars
8,709Last commit
1 day 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:
Ultra-fast AI gateway with enterprise-grade reliability
Stars
7,525Last commit
8 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:
Flexible, scalable Node.js CMS and app framework
Stars
9,963Last commit
4 hours agoLicense
MIT
A powerful, customizable content management system and application framework built on Node.js, GraphQL, and React
Open Source Alternative to:
Control browser fleets in the cloud for AI automation
Stars
7,533Last commit
4 days agoLicense
Apache-2.0
Open-source browser API designed for AI agents. Run headless browsers with built-in CAPTCHA solving, proxy support, and session management. Quick setup in under 1s.
Open Source Alternative to:
Serverless backend platform for modern app development
Stars
9,280Last commit
5 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
9,368Last commit
3 days 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
8,369Last commit
18 hours 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
8,807Last commit
3 days 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
8,155Last commit
4 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:
Secure, customizable e-signatures for modern businesses
Stars
6,900Last commit
3 days 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
6,843Last commit
4 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:
Simple yet powerful CI/CD engine with great extensibility
Stars
7,737Last commit
5 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:
Visual app builder that integrates with your existing codebase
Stars
6,969Last commit
1 day 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
5,474Last commit
21 hours 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
5,354Last commit
4 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:
Transform SQL into beautiful data stories
Stars
6,877Last commit
12 hours agoLicense
MIT
Create data-driven websites and reports using SQL and Markdown, with automatic visualizations and interactive elements.
Open Source Alternative to:
Build stateful backends with in-memory actors
Stars
6,079Last commit
7 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:
Automated translations that scale with your code and commits
Stars
5,406Last commit
4 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:
Intercept, modify, and debug HTTP(S) requests effortlessly
Stars
6,749Last commit
4 hours 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:
Virtual office platform for engaging remote collaboration
Stars
5,724Last commit
3 days 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
6,074Last commit
17 hours agoLicense
MIT
Self-serve analytics platform that transforms dbt models into interactive dashboards, enabling data-driven decisions across organizations.
Open Source Alternative to:
Organize and secure your documents in one central hub
Stars
5,233Last commit
2 days 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:
Secure, scalable API key management for developers
Stars
5,421Last commit
4 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:
Desktop SQL client with built-in MCP for AI agent access
Stars
4,193Last commit
24 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:
Lightweight self-hosted bookkeeping with AI receipt scanning
Stars
5,449Last commit
16 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
5,760Last commit
15 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
4,883Last commit
3 months 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
4,599Last commit
2 days 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:
Organize, collaborate, and conquer your tasks
Stars
5,146Last commit
8 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:
Spreadsheet-like interface for PostgreSQL databases
Stars
5,104Last commit
11 hours agoLicense
GPL-3.0
A self-hosted tool that provides an intuitive, spreadsheet-style interface for viewing, editing, and querying PostgreSQL databases without technical expertise.
Open Source Alternative to:
Effortless group scheduling for seamless collaboration
Stars
5,221Last commit
10 hours agoLicense
AGPL-3.0
A user-friendly, open-source tool for coordinating events and meetings without the hassle of back-and-forth emails or messages.
Open Source Alternative to:
Self-hosted team workspace with chat, docs, and databases
Stars
5,023Last commit
5 months agoLicense
Apache-2.0
Local-first collaboration platform combining real-time chat, rich text pages, databases, and file management in a single self-hostable workspace.
Open Source Alternative to:
Build powerful backends without leaving your browser
Stars
6,835Last commit
2 years agoLicense
Apache-2.0
A low-code platform for creating robust backends, complete with a spreadsheet UI for easy data management and custom functions.
Open Source Alternative to:
Browser and notebook combined with local-first AI
Stars
3,536Last commit
7 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:
Open-source growth platform for customer-centric teams
Stars
4,069Last commit
4 hours agoLicense
AGPL-3.0
All-in-one solution for marketing, sales, and customer service. Boost engagement, streamline workflows, and drive growth.
Open Source Alternative to:
A spreadsheet engine you can embed, self-host, or run in the browser
Stars
4,118Last commit
2 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:
Automate financial processes for smarter business decisions
Stars
3,849Last commit
8 hours agoLicense
AGPL-3.0
Cloud-based accounting software that streamlines bookkeeping, generates intelligent reports, and offers multi-currency support for efficient financial management.
Open Source Alternative to:
Quick access to apps and files with keyboard shortcuts
Stars
4,582Last commit
4 days agoLicense
MIT
A keyboard-driven launcher that helps you quickly find and open applications, files, and bookmarks across Windows, macOS, and Linux
Open Source Alternative to:
Feature-rich backend that runs anywhere you need it
Stars
3,751Last commit
5 months agoLicense
Apache-2.0
Lightweight Firebase alternative with database, auth, storage, and workflows. Framework-agnostic backend that integrates with NextJS, Remix, Hono and more.
Open Source Alternative to:
Python, SQL, and AI in a collaborative data notebook
Stars
2,999Last commit
9 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:
Capture – Capture screenshots, generate PDFs, scrape content, extract metadata, and automate browsers with one API.
Sevalla
Sent
CodeRabbit