Sites like plainapp.app

A free online tool that generates quote collages by overlaying text on uploaded images

Curbox, a free open-source Android app by Nethical for limiting phone screen time, blocking distracting apps and websites

massCode is a free, open-source, local-first developer workspace app for snippets, notes, API requests, diagrams and calculations

Papra, an open-source self-hostable document management platform for archiving, tagging and searching scanned paper files

A repository of free and open source Android apps, distributed as up-to-date APK downloads, by OpenAPK

Woodpecker CI, a continuous integration server forked from Drone 0.8, with an awesome-list of related tools and tutorials

A free browser-based image converter that processes files locally without uploading them to servers

Alin Lupascu's personal site presenting his open-source macOS utility apps and developer background, built with Swift and SwiftUI

Rust reimplementations of common GNU command-line utilities such as sed, awk and tar, by the uutils project

3DF is a technology consulting firm offering AI, managed IT, IoT and blockchain operations services, with product documentation such as Pure3D Lite

KuaKua is an online psychology site offering free personality tests such as Big 5, MBTI and IQ, plus happiness articles

WebTorrent: an open-source JavaScript torrent client for browsers and desktop apps, with streaming playback and WebRTC peer connections

Modly is a free, open-source desktop app that generates 3D meshes from images or text prompts using local AI models

A personal blog on software, embedded systems and Rust, plus the author's own projects

An online tool for playing, downloading and converting M3U8/HLS streams to MP4, running in the browser

Invoke, a free open-source self-hosted engine for AI image generation, with releases and developer documentation

Super Productivity, an open-source task manager and time tracker app for planning deep work and tracking time spent

A French-language project: Docusaurus, an open-source static site generator for building documentation websites with MDX and React

Tasks.org: documentation and product pages for Tasks, a free open-source Android task management app with CalDAV sync

Rust Token Killer, a tool and product site by RTK AI Labs that compresses and filters command output to cut LLM agent token costs

An open-source, free native code editor for macOS, built in Swift, with a project blog and downloads

Sandstorm, an open source platform for self-hosting web apps such as document editors, file storage and chat

A Firefox-based web browser project, built by a group of developers and designers focused on productivity and privacy

Nginx UI, an open-source web interface for managing Nginx servers with monitoring, configuration backup and cluster management

Linkwarden, an open source bookmark manager for saving, annotating and preserving web pages, with apps and a browser extension

An open-source photo viewer app called ImageGlass for Windows, macOS and Linux, with a Pro edition, by developer Dương Diệu Pháp

MarkText is a free, open-source real-time WYSIWYG Markdown editor desktop application, with its user documentation

Playnite, an open source video game library manager that unifies games from Steam, Epic, GOG and other stores

Flow Launcher, a free open-source quick file search and app launcher tool for Windows, with a plugin directory

Pangolin, an open-source security and networking platform combining WireGuard VPN, reverse proxy, and identity-aware access controls, from Fossorial

Personal site of Orhun Parmaksız, an open source developer sharing terminal tooling, Rust libraries and project notes

Nathan Lambert's Substack newsletter on frontier AI research, industry developments and policy, written from inside the labs

Thorium Browser, a fast Chromium-based web browser for Linux, Windows, macOS, Android and Raspberry Pi, with developer tools and demos by its maker

BleachBit, an open-source disk cleaner and file shredder for Windows and Linux systems, with its help and documentation pages