Open-source projects built with Day.js
Open-source and self-hostable projects whose repository uses Day.js, as reported by GitHub.
- Open WebUI
A self-hosted AI chat interface for local and cloud models, with multi-user access control.
Stars155kLast commitOct 12, 2026LicenseCustom - Supabase
A Postgres-based backend platform that bundles a database, auth, auto-generated APIs, storage, realtime and edge functions, available hosted or self-hosted.
Stars111kLast commitOct 12, 2026LicenseApache-2.0 - Uptime Kuma
A self-hosted monitoring tool that checks websites and services and sends alerts and status pages.
Stars92kLast commitOct 12, 2026LicenseMIT - Apache Superset
An open-source data exploration and visualization platform for building charts and dashboards over SQL databases, run by the Apache Software Foundation.
Stars75kLast commitOct 12, 2026LicenseApache-2.0 - Prometheus
A metrics monitoring and alerting system that stores time series locally and is queried with PromQL; a CNCF graduated project.
Stars67kLast commitOct 12, 2026LicenseApache-2.0 - Gitea
A lightweight self-hosted Git service with issues, pull requests, a package registry and built-in CI (Gitea Actions).
Stars58kLast commitOct 12, 2026LicenseMIT - Metabase
A business intelligence tool where people ask questions of their databases through a query builder or SQL and build dashboards.
Stars50kLast commitOct 12, 2026LicenseAGPL-3.0 - Cal.diy
The open-source community edition of Cal.com: a scheduling and booking-page tool you can self-host. It is MIT licensed; Cal.com itself has been closed source since April 2026.
Stars49kLast commitSep 26, 2026LicenseMIT - LibreChat
A self-hosted chat interface that works with many AI model providers, with SSO and agents.
Stars46kLast commitOct 12, 2026LicenseMIT - PostHog
A product analytics platform that also includes session replay, feature flags, experiments and surveys, offered as PostHog Cloud or a self-hosted deployment.
Stars40kLast commitOct 12, 2026LicenseMIT - Jitsi Meet
A browser-based video conferencing server and web app that needs no account to join, which you can run yourself or use through 8x8's hosted services.
Stars30kLast commitOct 9, 2026LicenseApache-2.0 - Plausible Analytics
Lightweight, cookieless, privacy-focused web analytics with a self-hostable Community Edition.
Stars29kLast commitOct 12, 2026LicenseAGPL-3.0-or-later - Activepieces
A workflow automation tool with a no-code builder and a TypeScript integration framework, available self-hosted or as a cloud service.
Stars25kLast commitOct 12, 2026LicenseMIT - WeKan
An open-source Kanban board with boards, lists, cards, swimlanes and real-time updates that you can host yourself.
Stars21kLast commitOct 12, 2026LicenseMIT - Frappe HR
An open-source HR and payroll system covering employee records, leave, attendance, expenses, appraisals and payroll, built on the Frappe Framework.
Stars8.9kLast commitOct 12, 2026LicenseGPL-3.0 - Vikunja
A self-hosted to-do and task manager with lists, Kanban, Gantt and table views, shared projects and a full API.
Stars5.7kLast commitOct 12, 2026LicenseAGPL-3.0-or-later - LimeSurvey
A PHP survey platform with conditional logic, multilingual surveys and a remote-control API, available self-hosted or as a paid cloud service.
Stars3.8kLast commitOct 12, 2026LicenseGPL-2.0-or-later
