Apps with 'open source' feature Page 15 of 33

SlothArchiver is a free, open-source desktop app for downloading and actually keeping your favorite videos, not just dumping files into a folder and forgetting about them.

MindShield is an open-source browser extension that adds a 5-second reflection timer before submitting simple queries to ChatGPT, Claude, and Gemini, helping you build better AI habits while processing 100% locally.

A desktop application that enhances X (formerly Twitter) with customizable features like ad blocking, UI modifications, and quality-of-life improvements.

Repix is a self-hosted image transformation service. Resize, crop, and convert images on-the-fly via URL. No SDK required.

Agentic Signal is a visual workflow builder that lets you automate complex tasks using AI models running locally (via Ollama) and rich integrations (Gmail, Google Drive, Google Calendar, Weather, and more).

Memoized is an open-source platform for preparing coding interviews with a focus on JavaScript and TypeScript.

Ackify is an open-source, self-hosted platform designed to help organizations collect proof of read and acknowledgements for internal documents such as policies, procedures, training materials, or compliance notices.

DCTS (Direct Communication Through Sockets) is a self-hosted communication platform offering Discord's sleek interface with full data control. Set up your own server with just two commands (NodeJS + MySQL/MariaDB). No paywalls or subscriptions.

ScribePal is an open source intelligent browser extension that leverages AI to empower your web experience by providing contextual insights, content summarization, and interaction while you browse.

Tasky is a highly intuitive and easy-to-use todo list application designed for those who seek a powerful yet minimalistic way to manage their daily tasks.

MailDotNull is a local mail catcher for development. It emulates the HTTP send APIs of popular email providers (Resend, SendGrid, Mailjet, Mailgun, Postmark, Brevo, Amazon SES) plus plain SMTP with STARTTLS and SMTPS.

JoinThis.party is a tool that can provide you with a free DNS subdomain, and several guides to help you self-host. It also provides JoinThis.proxy as an open alternative to reverse-proxy services.

ICTCore: Unified Communications Framework for web developers. Communications APIs for voice calls, SMS messaging, Fax communications and Emails.

Alphorn is an open-source, self-hostable notification service that allows you to call a webhook, and receive it on 20+ different channels.

A free and open-source Windows media library for manga, comics, books, audiobooks, movies, shows, anime, and local media.

Find cool repositories using the power of AI!.

Finds latest songs from your favourite artists. No accounts needed.

A offline and online Flutter Whiteboard with collaboration Features. Maintained in my free time. Currently demo is offline.

Web based amateur radio logging application built using PHP & MySQL supports general station logging tasks from HF to Microwave with supporting applications to support CAT control.

Local-first knowledge management with Markdown notes, wiki-links, backlinks, interactive graphs, plugins, themes and SQLite or Markdown vault storage.

ChannelOS is a local-first television system that turns media you already own into persistent, programmable cable-style channels.

Clean music player with all features, updated often based on suggestions.

Aura replaces the Windows file copier with a robust, high-integrity transfer engine wrapped in a polished, intuitive interface. It gives you full control over every operation—pause, resume, verify, skip errors, and resolve conflicts interactively—without compromising speed or reliability.

UDID Tools is a free, open-source web utility for retrieving the UDID of an iPhone or iPad directly in Safari.

Open-source agentic social media scheduler for Bluesky, Threads, Instagram, LinkedIn, Mastodon, YouTube, Facebook, and more.