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Free and Open Source Software
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mxr - local-first email client
mxr is a local-first email client that synchronises Gmail and IMAP accounts with a SQLite database on your machine.
Mail can be accessed and managed through its command-line interface, terminal interface, local web app or MCP server.
The software offers fast local searching, scripting-friendly structured output and a shared daemon that keeps each interface connected to the same mail store. It also provides tools for composing, sending, archiving, snoozing and organising messages.
This is free and open source software.
daisyUI - component library for Tailwind CSS
daisyUI is a component library for Tailwind CSS. It adds semantic class names for common interface elements, reducing the need to construct every component from long collections of utility classes.
The library provides CSS rather than framework-specific components, leaving application state and behaviour under the control of React, Vue, Svelte or another frontend framework.
This is free and open source software.
Extera - feature-rich Matrix client based on FluffyChat
Extera is a feature-rich Matrix client based on FluffyChat. It supports private and group messaging, encrypted conversations, voice and video calls, file sharing, moderation tools and extensive interface customisation.
The application adds several features beyond its upstream project, including integrated message translation, an image editor, profile banners and Rich Presence support.
This is free and open source software.
Epist - keyboard-driven email client
Epist is a keyboard-driven email client with Vim-style keybindings and a two-column interface.
It supports Gmail through OAuth as well as conventional IMAP and SMTP accounts.
The application offers threaded conversations, multiple accounts, local and remote search, attachment handling, calendar invitation responses, and a local SQLite cache.
This is free and open source software.
OSV-Scanner - finds known vulnerabilities
OSV-Scanner finds known vulnerabilities affecting your project’s dependencies.
This is free and open source software.
Speeedy - local-first speed reading progressive web app
Speeedy is a local-first speed reading progressive web app. It uses Rapid Serial Visual Presentation (RSVP) to display words in a fixed area, reducing the eye movement needed when reading conventional lines of text.
The app uses Optimal Recognition Point alignment to position each word around the letter most readily recognised by the eye. It offers extensive controls for reading speed, word timing, presentation and accessibility.
This is free and open source software.
Slips - intrusion detection and prevention system
Slips (Stratosphere Linux IPS) is an endpoint behavioural intrusion detection and prevention system. It combines machine-learning models, threat-intelligence feeds and expert heuristics to identify malicious behaviour in network traffic.
The software analyses live network traffic, PCAP captures, and flow data generated by tools such as Zeek, Suricata and Argus. Slips is written in Python and uses Zeek for traffic capture and analysis, with Redis providing interprocess communication. Its active blocking functionality is available on Linux.
This is free and open source software.
rdircd - Reliable Discord-client IRC Daemon
rdircd (Reliable Discord-client IRC Daemon) lets you access a personal Discord account using a conventional IRC client. It creates a local IRC server and translates Discord private conversations, servers, channels, threads and forums into IRC channels.
The software focuses on reliable message delivery, deterministic name translation and compatibility with standard IRC clients. It is implemented as a single Python script and requires Python 3.9 or later with aiohttp.
The developer warns that Discord may classify rdircd as an unauthorised third-party client. Using it may violate Discord’s rules and could result in account termination.
This is free and open source software.
testssl.sh - tests TLS/SSL ciphers, protocols and cryptographic flaws
testssl.sh is a command-line tool that checks a server’s service on any port for support of TLS/SSL ciphers and protocols as well as cryptographic flaws.
This is free and open source software.
Ledor - speed-reading application
Ledor is a speed-reading application for EPUB books and web articles. It uses rapid serial visual presentation (RSVP), displaying words individually at a configurable rate and highlighting each word’s Optimal Recognition Point to reduce eye movement.
The application also offers a conventional eBook reader and text-to-speech mode. It runs on Linux, Android and iOS, with books, reading progress and settings stored locally.
This is free and open source software.
Vuls - agentless vulnerability scanner
Vuls is an agentless vulnerability scanner that identifies security vulnerabilities affecting Linux, FreeBSD, Windows, macOS, containers, programming language libraries, WordPress installations, and network devices.
This is free and open source software.
RSVP Reader - local-first speed-reading web app
RSVP Reader is a local-first speed-reading web app that presents text one word at a time.
It highlights the optimal recognition point within each word to help the eye identify words quickly, with adjustable reading speeds ranging from 50 to 1,200 words per minute.
The app stores books, reading positions, bookmarks, highlights, statistics and settings locally in the browser. Optional token-protected cloud synchronization is available for imported books and developer digests.
This is free and open source software.
JRescue - Linux environment for maintenance
JRescue is a bootable Linux environment designed for computer maintenance, troubleshooting and recovery. It is based on Debian 13 and uses the lightweight LXQt desktop environment.
It includes a wide range of utilities for repairing systems, recovering files, managing partitions, cloning disks and diagnosing problems.
This is free and open source software.
Rebar3 - build tool
The software manages build artefacts, library paths and project dependencies automatically. Dependencies can be retrieved from source repositories, local directories or packages published through Hex, with lock files used to ensure consistent builds across different development environments.
Rebar3 is distributed as a self-contained Erlang script and can be embedded directly within a project. Its functionality can be extended through plugins, while built-in commands cover code analysis, documentation generation, test execution, code coverage, release creation and interactive development.
This is free and open source software.
mxr - local-first email client
mxr is a local-first email client that synchronises Gmail and IMAP accounts with a SQLite database on your machine.
Mail can be accessed and managed through its command-line interface, terminal interface, local web app or MCP server.
The software offers fast local searching, scripting-friendly structured output and a shared daemon that keeps each interface connected to the same mail store. It also provides tools for composing, sending, archiving, snoozing and organising messages.
This is free and open source software.
Tsunami - general-purpose network security scanner
Tsunami is a general-purpose network security scanner with an extensible plugin system.
It focuses on detecting high-severity vulnerabilities with high confidence by combining reconnaissance, service fingerprinting, and targeted vulnerability verification.
This is free and open source software.