Open Source Projects using Upstash
A curated collection of the 36 best open source software using Upstash. Find the most popular and trending open source projects to learn from, contribute to, or use in your own projects.
Multi-channel notification infrastructure for apps
Stars
40,279Last commit
15 hours agoLicense
Unknown
Open-source platform for building in-app, email, push, SMS, and chat notifications with a unified API, workflow engine, and embeddable inbox component.
Open Source Alternative to:
Open source video editor that runs in your browser
Stars
Stars growing over the last 30 days97,360Last commit
1 month agoLicense
MIT
Browser-based, open source video editor built for privacy. No installs, no account required, works on any platform.
Open Source Alternative to:
Self-host your own scheduling page, no vendor required
Stars
49,700Last commit
2 days agoLicense
MIT
Cal.diy is the community edition of Cal.com for personal self-hosting, with calendar sync, video conferencing, payment support, and a REST API.
Open Source Alternative to:
Visual builder for AI agents and LLM workflows
Stars
55,552Last commit
3 months agoLicense
Apache-2.0
Open source platform for building AI agents, chatbots, and multi-agent systems using a drag-and-drop interface, with support for 100+ LLMs and RAG.
Open Source Alternative to:
Branded short links with analytics and conversion tracking
Stars
25,107Last commit
9 days agoLicense
AGPL-3.0
Link management platform for marketing teams with custom domains, UTM builder, A/B testing, geo-targeting, QR codes, and real-time conversion analytics.
Open Source Alternative to:
Run dozens of AI coding agents in parallel on your machine
Stars
Stars growing over the last 30 days15,945Last commit
6 hours agoLicense
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:
Run long-running AI tasks without timeouts or servers
Stars
16,716Last commit
2 days agoLicense
Apache-2.0
Open source TypeScript platform for building and deploying AI agents and background workflows with retries, queues, observability, and elastic scaling.
Open Source Alternative to:
Create powerful chatbots without coding
Stars
10,605Last commit
10 days agoLicense
Unknown
Design, build, and deploy interactive chatbots with a visual editor. Integrate easily and collect data effortlessly.
Open Source Alternative to:
AI-powered answer engine with dynamic interface generation
Stars
9,276Last commit
10 hours agoLicense
Apache-2.0
Open-source answer engine that dynamically generates UI components while providing AI-powered responses, combining conversational AI with interactive interfaces.
Open Source Alternative to:
Open-source document sharing with powerful analytics
Stars
9,291Last commit
2 months agoLicense
AGPL-3.0
Secure, customizable platform for sharing documents and tracking engagement. Perfect for sales teams, marketers, and businesses.
Open Source Alternative to:
Status page and uptime monitoring for growing teams
Stars
9,248Last commit
16 hours agoLicense
AGPL-3.0
Open-source status page and uptime monitor that tracks endpoints from 28 global regions, communicates incidents, and helps satisfy SOC 2 audit requirements.
Open Source Alternative to:
Build reliable AI apps with comprehensive observability
Stars
6,266Last commit
8 days agoLicense
Apache-2.0
Open-source platform for logging, monitoring, and debugging LLM applications. Route, debug, and analyze AI apps with comprehensive observability tools.
Open Source Alternative to:
Secure, scalable API key management for developers
Stars
5,483Last commit
5 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:
Effortless group scheduling for seamless collaboration
Stars
5,338Last commit
7 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:
Stripe payments, usage tracking, and paywalls in 3 functions
Stars
2,832Last commit
14 days agoLicense
Apache-2.0
Simplify Stripe integration for AI startups with 3 functions, 0 webhooks. Build pricing plans in 30 minutes with usage tracking, credits, and feature controls.
Open Source Alternative to:
Get audit-ready for SOC 2, ISO 27001, HIPAA, and GDPR
Stars
Stars growing over the last 30 days2,078Last commit
22 hours agoLicense
AGPL-3.0
AI-driven compliance platform that automates evidence collection, policy generation, and continuous monitoring across 580+ integrations for SOC 2, ISO 27001, HIPAA, and GDPR.
Open Source Alternative to:
Open canvas for designing and building web apps
Stars
2,698Last commit
17 days agoLicense
Apache-2.0
Design and build web applications on an open canvas with AI-powered tools, Figma integration, pixel drawing, and a modular SDK built for extensibility.
Open Source Alternative to:
Open-source newsletter app billed by emails sent
Stars
Stars growing quickly over the last 30 days1,629Last commit
23 hours agoLicense
AGPL-3.0
Newsletter platform billed by emails sent, not list size, with scheduling, a public website, AI agent access and deliverability tools from $19 a month.
Open Source Alternative to:
Automated localization for modern development teams
Stars
2,032Last commit
6 months agoLicense
MIT
A developer-focused localization platform that automates translation workflows within your existing development pipeline and CI/CD processes.
Open Source Alternative to:
Cross-system automation and knowledge base for accounting firms
Stars
1,722Last commit
6 months agoLicense
Unknown
Connects client data across tools, automates recurring accounting workflows, and maintains a self-updating knowledge base with human approval controls.
AI-powered PostgreSQL management made simple
Stars
1,466Last commit
14 hours agoLicense
AGPL-3.0
Modern PostgreSQL database management with AI-powered filtering, natural language queries, and cloud sync. Focus on your data while AI handles complexity.
Open Source Alternative to:
AI-native support infrastructure for modern SaaS
Stars
739Last commit
2 months agoLicense
AGPL-3.0
Open-source support platform combining AI and human agents. React components with shadcn/ui design philosophy, styled with Tailwind CSS for NextJS apps.
Open Source Alternative to:
Self-hosted screen recording for seamless collaboration
Stars
1,015Last commit
2 years agoLicense
AGPL-3.0
Effortlessly create, share, and collaborate with screen recordings. Control your data with self-hosting or our secure cloud option.
Open Source Alternative to:
Self-hosted AI visibility tracking for your brand
Stars
Stars growing quickly over the last 30 days568Last commit
5 hours agoLicense
MIT
Tracks how ChatGPT, Gemini, Claude, Perplexity, and other AI engines mention your brand, which competitors appear, and which sources get cited.
Open Source Alternative to:
Your content engine for growing on Twitter at scale
Stars
772Last commit
11 months agoLicense
AGPL-3.0
Create, schedule & manage Twitter content at scale with AI assistance, beautiful visuals, and multi-account support. Perfect for busy founders.
Open Source Alternative to:
Simple content management for modern sites
Stars
384Last commit
14 hours agoLicense
AGPL-3.0
A headless CMS designed for blogs, changelogs, and articles. Features intuitive editor, team collaboration, media management, and API integration.
Open Source Alternative to:
Track your brand's visibility across AI answer engines
Stars
Stars growing over the last 30 days270Last commit
21 days agoLicense
AGPL-3.0
GEO tool that queries ChatGPT, Claude, Gemini, and Perplexity with your buyers' questions, then shows you who gets recommended and how to close the gap.
Open Source Alternative to:
Create stunning forms with AI-powered builder and analytics
Stars
355Last commit
6 months agoLicense
MIT
Build beautiful, interactive forms with AI assistance. Open-source alternative to Google Forms with unlimited submissions, advanced analytics, and seamless integrations.
Open Source Alternative to:
Organize, discover, and personalize your bookmarks
Stars
327Last commit
6 months agoLicense
AGPL-3.0
Open-source bookmark manager with timeline view, one-click saving, categorization, and sharing features. Free plan available with pro upgrades.
Open Source Alternative to:
Launch your personal website in minutes, no coding required
Stars
226Last commit
6 months agoLicense
AGPL-3.0
Free site builder to create a personal website with articles, projects, email capture, and analytics. Open source, fast, and beautifully designed.
Open Source Alternative to:
Transform long URLs into beautiful, trackable short links
Stars
95Last commit
24 days agoLicense
MIT
Open-source URL shortener with analytics, custom domains, QR codes, and link-in-bio pages. Create branded short links with detailed tracking insights.
Open Source Alternative to:
Self-hostable project management for tasks, events and docs
Stars
71Last commit
3 months agoLicense
AGPL-3.0
Project management app with task lists, calendar, files, docs and full-text search. Self-host it on your own infrastructure with team roles and permissions.
Open Source Alternative to:
AI-powered task management with radical focus
Stars
25Last commit
1 day agoLicense
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:
LLM observability: cost, latency, and traces in one place
Stars
13Last commit
3 days agoLicense
MIT
Drop-in observability platform for OpenAI, Anthropic, and Gemini that logs every request, tracks costs, traces agent workflows, and flags anomalies and PII.
Open Source Alternative to:
Trace, evaluate, and protect every LLM call in one SDK
Stars
12Last commit
8 hours 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:
Secure AI API management for iOS apps with DeviceCheck
Stars
9Last commit
26 days agoLicense
AGPL-3.0
A secure proxy service that protects AI API keys using Apple DeviceCheck, enabling safe integration of ChatGPT, Claude, and other AI models in iOS apps
c15t – Open-source cookie banner, built for control and lightening fast modern web apps.
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Bright Data
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