TreeSheets is a free and open source hierarchical spreadsheet for organizing complex data. Described as a replacement for spreadsheets, mind mappers, outliners, text editors and small databases, it is intended for uses such as todo lists, calendars, project management and brainstorming. It can run in the system tray with several documents loaded.
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Tree Style Tab is a Firefox extension that organizes tabs as trees. Tabs opened from the current tab become children of that tab, branches can be collapsed by clicking an arrow on the parent tab, and the tree can be restructured by drag and drop. The extension provides an API for other extensions that extend its sidebar behavior.
Open-source project that provides machine-learning models, research, training resources, or evaluation tools.
TridUI is a lightweight desktop application that provides a user-friendly interface for TrID, a tool for scanning and analyzing files. It uses a native Go implementation of the TrID file identification algorithm and runs on Windows, macOS and Linux. Users can drag and drop files to run local scans, and the app can download and update TrID definitions automatically.
Trilium Notes is an open-source note-taking and personal knowledge base application. It runs locally on a desktop or syncs with a self-hosted server. Notes can be arranged hierarchically, with labels, relations and workspaces. Other features include encrypted protected notes, note revisions, full-text search and a web clipper.
Trilium helps clean, compare, sort, transform, count, or format text in the browser.
Triton Inference Server is open source inference serving software that streamlines AI inferencing. It enables teams to deploy models from multiple deep learning and machine learning frameworks across cloud, data center, edge and embedded devices.
Write SEO-optimized blog posts and articles using AI. Generate outlines, add keywords, and create content quickly with NetusAI’s AI article generator.
Open source email verification service for checking syntax, MX records, and deliverability through an API.
Open-source Social Media Scheduling
Open-source project that uses AI for speech, voice, transcription, music, or other audio workflows.
ttyper is a terminal-based typing test built with Rust and Ratatui. It ships pre-built binaries and can be installed via cargo, pacman, nix or scoop. A command-line usage message lists options for word count, language, config file and modes such as sudden death and no-backtrack. Default languages are listed by name and description.
Tuesday JS is a free and open-source web-based visual novel editor that runs in a web browser. It is written in JavaScript without third-party libraries and stores story scripts in a JSON structure. Versions are also available as standalone applications for Android, Windows and Mac, and all versions share the same interface.
TUI is a terminal-based client for raindrop.io. It is hosted on GitHub under the davep user account, with the repository named Braindrop. The repository includes an introduction, installation guidance, and pipx installation instructions.
mantra.py is a Python rewrite of mantra that views online manual pages, taken from man.archlinux.org, from the terminal without downloading and installing the whole package. It requires Python, BeautifulSoup4 and fzf, and is installed manually via git clone and make install or through the AUR. Command-line options include help, keyword and download.
tuliprox is a flexible IPTV playlist processor and proxy written in Rust. It supports M3U, Xtream Codes, HDHomeRun, Plex, Emby, and Jellyfin. Its features include filtering, merging, scheduling, and web delivery.
TumblThree is a free and open source Tumblr and Twitter blog backup application. It downloads photo, video, audio and text posts from a given blog, and also supports backup and download of liked posts, Tumblr search, Tumblr tag search and Twitter blogs.
Tunime is a non-English technical, learning, or open source resource for regional audiences.
Tunnelblick is free, open-source software for controlling OpenVPN VPNs on macOS. It is distributed as a ready-to-use application bundling the necessary binaries and drivers, including OpenVPN, easy-rsa, and tun/tap drivers; users add their own OpenVPN configuration and need access to a VPN server. It is licensed under the GNU General Public License, version 2.
Tura is an open-source agent runtime harness that turns a task into a runtime-managed command graph, avoiding repeated model round trips in a ReAct session. The documentation describes it as a terminal-native developer tool that turns intent into verified code changes, emphasizing reading the repository first, keeping an audit trail, and proving results.
TurboBench is a data compression benchmark that includes more than 100 codecs and performs in-memory testing to avoid disk I/O effects. It supports multiple files, recursive directories and concatenation of small files into multiblock tests, and automatically creates a nightly GitHub release and benchmarks when submodules change.
Open-source project that provides machine-learning models, research, training resources, or evaluation tools.
Turn Off the Lights is a free, open-source browser extension that applies dark mode to websites and adds a one-click dimmer for videos. The site says it uses stylesheet injection that preserves video colors while darkening the rest of the page. It lists availability for Chrome, Firefox, Edge, Safari and Opera.
TurnMyCoin is a crypto media or research source for news, analysis, and blockchain market updates.