Top Open Source Projects using Rollup
A curated collection of the 60 best free and open-source projects built using Rollup. Discover popular repositories, architecture patterns, and trending software in 2026.
Yaak
MITA modern API client offering local-only data storage, Git integration, plugin extensibility, and multi-protocol support for developers.
Waterfox
NOASSERTIONFirefox-based browser with built-in ad blocking, oblivious DNS, zero telemetry, tree-style tabs, and no AI features sending your data anywhere.
Worklenz
AGPL-3.0Worklenz is a comprehensive project management platform that helps agencies organize tasks, track resources, and boost productivity.
Usertour
NOASSERTIONOpen-source platform for building interactive product tours, tooltips, and in-app guides to improve user engagement and feature adoption without complex coding
Silex
AGPL-3.0An online tool for visually creating static sites with dynamic data. With the free/libre spirit of internet, together.
Notifuse
AGPL-3.0Free open-source email platform for newsletters and transactional emails. Self-hosted alternative to Mailchimp with visual MJML editor, A/B testing, and analytics.
Keycloak
Apache-2.0Comprehensive open source identity management solution offering single sign-on, social login, and fine-grained authorization for applications and services.
Kanri
GPL-3.0Kanri is a free, open-source personal Kanban app that works offline, offering a modern and simple experience while respecting your privacy.
Filestash
AGPL-3.0Filestash is an open-source file manager that integrates with multiple storage backends, authentication systems, and offers customization options.
EspoCRM
AGPL-3.0Open-source CRM software for managing customers, companies, projects and opportunities. Intuitive interface with cloud and self-hosted options available.
Vikunja
AGPL-3.0A powerful, open-source task management platform for teams and individuals, offering customizable workflows and seamless integration.
Vendure
NOASSERTIONA headless, API-first e-commerce framework built on Node.js with TypeScript, offering customization and scalability for online stores.
Bruno
MITA modern, user-friendly API client that simplifies API testing and development with a clean interface and powerful features.
Umami
MITA lightweight, open-source alternative to Google Analytics that respects user privacy and provides valuable insights.
Tuta
GPL-3.0Tuta offers encrypted email, calendar and contacts with quantum-resistant security, protecting your privacy without ads or tracking.
ToolJet
AGPL-3.0Open-source low-code platform for creating custom internal tools, dashboards, and admin panels with a drag-and-drop interface
Tabby
NOASSERTIONSelf-hosted AI coding assistant that enhances productivity with context-aware suggestions and privacy-focused implementation.
Swetrix
AGPL-3.0Privacy-first web analytics with real-time dashboards, session replays, error tracking, A/B testing, and GDPR compliance out of the box. No cookies, no consent banners.
Strapi
NOASSERTIONTypeScript headless CMS that generates REST and GraphQL APIs from your content model, with a no-code builder, plugin system, and full self-hosting support.
Shopware
MITA flexible and customizable ecommerce solution that enables businesses to build responsive online stores with advanced features and automation capabilities.
Ryot
GPL-3.0Ryot is a versatile platform for effortlessly tracking media, fitness, and more, replacing manual methods like spreadsheets.
Prometheus
Apache-2.0Pull-based monitoring system with a multi-dimensional data model, PromQL query language, built-in alerting, and a time series database built for cloud native environments.
Procaptcha
Apache-2.0A blockchain-based CAPTCHA solution offering improved security, user experience, and resistance to bot attacks for web applications.
Portkey AI Gateway
MITComprehensive AI platform with gateway, observability, guardrails, and prompt management. Access 1,600+ LLMs via unified API with enterprise-grade security.
Plausible
AGPL-3.0Simple, open-source web analytics tool that respects user privacy and provides valuable insights without compromising data protection.
OpenReplay
NOASSERTIONOpen-source session replay and product analytics platform you can self-host for complete control over data security, privacy, and compliance.
OpenMeter
Apache-2.0Open source billing platform that turns events into revenue with real-time metering, usage limits, and flexible pricing. Integrates with Stripe, CRMs, and payment providers.
Medusa
NOASSERTIONFlexible, customizable e-commerce platform with headless architecture, built-in features, and extensive plugin ecosystem for scalable online stores.
Maple
NOASSERTIONObservability platform built on OpenTelemetry and ClickHouse. Collect, visualize, and query distributed traces, logs, and metrics, with an MCP server for AI agent diagnostics.
Mattermost
NOASSERTIONMattermost provides a flexible, open-source platform for secure team collaboration, designed for organizations with strict security and privacy requirements.
Lightdash
NOASSERTIONSelf-serve analytics platform that transforms dbt models into interactive dashboards, enabling data-driven decisions across organizations.
LimeSurvey
NOASSERTIONLimeSurvey is a powerful open-source tool for creating customizable online surveys, polls, and questionnaires.
Linguist
BSD-3-ClauseFull-featured browser extension for translating web pages, text, and subtitles with offline mode, personal dictionary, and custom translator support.
LibreChat
MITChat with multiple AI providers through a single self-hostable interface, with support for custom agents, file uploads, plugins, and multi-user access control.
PeerTube
AGPL-3.0Create your own video hosting platform with PeerTube - a free, open-source alternative to YouTube. Join 600,000+ videos across 1,000+ interconnected platforms without ads or tracking.
Jan
NOASSERTIONJan runs open-source AI models on your own hardware or connects to cloud providers like OpenAI, Anthropic, and Google, keeping your conversations off third-party servers.
Impler
MITOpen-source solution for effortless data importing, mapping, and validation in web applications
Horilla
LGPL-2.1Horilla is a free, open-source HRMS that streamlines HR processes, from recruitment to offboarding, with customizable modules.
Hoppscotch
MITLightweight, fast, and feature-rich API client for developers. Test, debug, and document APIs with ease in a clean, modern interface.
HeyForm
AGPL-3.0A versatile form builder for crafting custom surveys, quizzes, and data collection tools with advanced features and integrations.
Grafana
AGPL-3.0Grafana unifies metrics, logs, traces, profiles, and business data into one OpenTelemetry-native platform with AI-assisted root cause analysis and adaptive cost controls.
GrowthBook
NOASSERTIONPowerful, developer-friendly experimentation tool for data-driven product decisions. Seamless integration, real-time insights, and flexible deployment.
GDevelop
NOASSERTIONFree, open-source game engine with visual event system, AI tutor, and one-click publishing to Steam, iOS, Android, and web platforms.
Fonoster
MITBuild and deploy powerful voice and messaging applications with ease using Fonoster's flexible, scalable, and developer-friendly platform.
Ever Teams
AGPL-3.0Ever Teams offers an all-in-one solution for work management, time tracking, and team collaboration with integrations for popular tools.
Documenso
AGPL-3.0Streamline your document workflows with a powerful, privacy-focused e-signature platform that puts you in control of your data.
Directus
NOASSERTIONA versatile headless CMS and API engine that simplifies data management, content creation, and application development.
CryptPad
AGPL-3.0Open-source collaboration suite offering encrypted document editing, file sharing, and team workspaces with complete privacy protection.
Cube
NOASSERTIONCube is a universal semantic layer that connects data sources to analytics tools, providing consistent definitions and fast queries.
Checkmk
GPL-2.0Monitor your entire IT infrastructure with 2,000+ plugins, automated discovery, and scalable architecture. Open source and enterprise solutions available.
Chaskiq
NOASSERTIONVersatile messaging solution for businesses to engage customers through multiple channels, with AI-powered automation and analytics.
Bytebase
NOASSERTIONComprehensive platform for database schema migrations, security controls, and data masking with built-in review workflows and GitOps integration.
Budibase
NOASSERTIONLow-code platform for creating custom business applications quickly. Design, automate, and deploy with ease.
Blinko
GPL-3.0The next generation of open-source AI-powered card notes designed to help you quickly capture and organize inspiration so that ideas never run out.
Browser Operator
BSD-3-ClausePrivacy-focused AI browser with intelligent agents for research, analysis, and workflow automation. Features unified memory, compliance guardrails, and seamless integrations.
Ballerine
NOASSERTIONReduce fraud, accelerate underwriting, and maintain compliance with AI-driven merchant risk intelligence for PSPs, banks, and fintechs.
Azimutt
MITAzimutt is a powerful tool for seamlessly exploring, documenting, and optimizing large and complex databases.
AppSmith
Apache-2.0Low-code platform for creating powerful internal tools and dashboards with drag-and-drop ease, robust integrations, and customizable workflows.
AITable
AGPL-3.0Visual database and workflow automation tool with AI-powered features and 6,000+ app integrations

Beaver Notes
MITA privacy-focused, offline-first note-taking app that stores everything on your device, with Markdown, note linking, file attachments, LaTeX math, and bring-your-own sync.