ContextVM is a transport layer for MCP servers over the Nostr network. It uses public keys and relays instead of domains, OAuth or port forwarding, with end-to-end encryption and optional Lightning payments, and works with any MCP server through an official SDK or a gateway/proxy.
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Cool FOSS is a curated collection of open source Android applications intended to replace proprietary ones. The page organizes apps by category, including app stores, browsers, calendars, email, file managers, keyboards, launchers, maps, media players, password managers and security tools. Most listed apps are available on F-Droid. Suggestions are submitted through an issue template or a pull request.
CopyChar is a basic application for finding and copying special characters to the clipboard. A character is copied by clicking or tapping it. The listed characters include arrows, punctuation marks, symbols, emoji and keyboard symbols.
Video keying tool for extracting green-screen or background elements from footage.
Cosmos is a keyboard generator that designs keyboards around a hand scan taken with a phone camera. Users can add trackballs, trackpads, encoders or OLED displays, choose among MX, Choc, NIZ and Alps switches, and export models as STLs or STEP files. Assembled keyboards can be ordered through partner builders, and specialized PCBs are also sold.
Cryptomator is an open-source project offering multi-platform transparent client-side encryption of files in the cloud. It works with Dropbox, Google Drive, OneDrive, MEGA, pCloud, ownCloud, Nextcloud and any other cloud storage service which synchronizes with a local directory, using AES encryption with 256-bit key length. File names are encrypted and folder structure is obfuscated.
CrystalDiskInfo is a HDD/SSD utility software which supports a part of USB, Intel RAID and NVMe. It runs on Windows and Server releases, with NVMe support requiring Windows 10/Server 2016 or later. Key features listed include S.M.A.R.T. information, AAM/APM control, graphs, alert mail and resident alarm.
ctop is a GitHub repository maintained by aakashadesara. It is an interactive process viewer for AI coding agents, with documentation covering its features, installation process, keyboard shortcuts, and pinned sessions.
Cult of the Party Parrot is a website that presents a collection of animated parrot graphics, referred to as Party Parrots, along with other items such as flag parrots, shirts, a keyboard and a Discord. The page invites visitors to click a parrot to play an animation.
CustomShortcuts is a free Mac app that adds keyboard shortcuts to menu items in most Mac applications, with auto-completion for navigating menu hierarchies and checks for ambiguous menu items. Shortcuts can be copied and pasted between applications, and it works with KeyClu. Version 1.3 requires macOS 11 or later.
The UCSB Cylinder Audio Archive is an online collection from the UC Santa Barbara Library of digitized cylinder recordings for listening and discovery. The site offers keyword search by author, title, subject heading, year or call number, along with thematic playlists and material on cylinder recording history.
The Czech Data Portal hosts the National Catalog of Open Data of the Czech Republic. It lists datasets, applications, publishers and keywords, and offers separate information sections for data publishers and data users.
daily.place is a free browser-based tool for managing daily tasks. It includes a pomodoro timer, to-do list, ambient sound mixer, keyboard shortcuts, dark mode, and support for English, Spanish, and Portuguese. User data is stored locally by default, with optional account sync for cross-device access.
A GitHub repository from dair-ai containing explanations of key concepts in machine learning. The README lists papers with dates and descriptions, including the Transformer, Elmo, Marian MT, GPT, BERT and Transformer XL.
Find published open datasets through filters, categories and keyword search.
Find published open datasets through filters, categories and keyword search.
Find published open datasets through filters, categories and keyword search.
Find published open datasets through filters, categories and keyword search.
Find published open datasets through filters, categories and keyword search.
Find published open datasets through filters, categories and keyword search.
Find published open datasets through filters, categories and keyword search.
Find published open datasets through filters, categories and keyword search.
Find published open datasets through filters, categories and keyword search.
Find published open datasets through filters, categories and keyword search.