Unmark

Open-source to-do application for managing your bookmarks

Unsloth

Accelerate LLM fine‑tuning with up to 2× speed and 70% less VRAM

Up

Deploy serverless apps to AWS Lambda in seconds

Upptime

Self‑hosted uptime monitor and status page powered by GitHub Actions

Uptime Kuma

Self-hosted uptime monitoring with a fancy reactive interface

Uptrace

Unified tracing, metrics, and logs platform for modern applications

UrlHub

Self-hosted URL shortener with custom links, QR codes, and security

UrlHum

Fast, privacy‑focused URL shortener built on Laravel

Url-Shorten-Worker

Fast, serverless URL shortener powered by Cloudflare Workers

Userbase

Add secure user accounts and encrypted storage to static sites

useSend

Self‑hosted email platform delivering reliable, low‑cost SES mail

UUSEC WAF

Industrial‑grade AI‑powered WAF with zero‑day defense and scalable protection

UVdesk

Customizable Symfony‑based helpdesk platform for seamless customer support

Varnish Cache

Lightning-fast HTTP accelerator for high-traffic web services

Vaultwarden

Lightweight Bitwarden server implementation written in Rust

VectorDB

Pythonic vector database with CRUD, sharding, and replication

Velstore

Fully customizable multi-vendor Laravel eCommerce platform, ready out-of-the-box.

Vendure

Scalable, customizable headless commerce platform for modern businesses

Vespa

Real-time AI-powered search and recommendation at any scale

Vigil

Self-hosted status page that monitors services and alerts teams

Vikunja

Self-hosted to-do app to organize your entire life

Vince

Self-hosted, privacy-first web analytics with zero dependencies

VizTracer

Low-overhead Python tracer with interactive Perfetto visualizations

vLLM

Fast, scalable LLM inference and serving for any workload