anura.pro
Instance is a Linux, macOS, BSD, or Unix resource for tools, documentation, communities, or system workflows.
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cryptpad.org
A directory page listing public instances of CryptPad, an open-source collaborative editing service that anyone can install. The page lists instances open to the public, including the flagship CryptPad.fr hosted by the development team, and notes that third-party instances passed checks for up-to-date versions and recommended security and privacy settings.
cobalt.directory
An unofficial site that tracks cobalt instances, listing official and community instances with their frontend, API, version, uptime, Turnstile status, codebase and working services. The site updates every ten minutes and offers search by service, an FAQ and information about the site.
docs.invidious.io
Official Invidious documentation page listing public Invidious instances, sorted from oldest to newest, with addresses for clearnet, Tor onion services, I2P eepsites and the Yggdrasil network. It states that public instances not in the list are considered untrustworthy and lists rules instances must meet to be included.
gruble.de
gruble.de is a public instance of SearXNG, a privacy-respecting open metasearch engine. The instance page includes links to its source code, issue tracker, engine statistics, public instances list, privacy policy, and contact information for the instance maintainer.
github.com
Awesome Lemmy Instances is a code project with source, releases, documentation, or setup notes.
github.com
Ex Mozilla's Send Community Instances is a file upload or sharing tool for sending files, hosting links, or managing transfers.
searx.neocities.org
Instance Scores is a search instance or metasearch resource for private web discovery.
privatebin.info
Instances helps clean, compare, sort, transform, count, or format text in the browser.
gitlab.com
Instances is a file utility for storage, cleanup, downloads, syncing, previews, or file management.
instances.vantage.sh
Instances (Vantage) is a developer resource for coding, documentation, communities, security research, or software tools.
github.com
Libreddit Instances is a code project with source, releases, documentation, or setup notes.
joinpeertube.org
A page on the JoinPeerTube site for finding PeerTube platforms and creating an account among a list of existing platforms. The list can be filtered by theme, category or language, and is generated from instances.joinpeertube.org.
github.com
Redlib instance is a code project with source, releases, documentation, or setup notes.
vrp-rep.org
VRP-REP is a collaborative open-data platform for sharing vehicle routing problem benchmark instances and solutions. Users can upload VRP instances, share them publicly or privately with referees and editors during review, and download instances shared by other users.
bookwyrm.social
BookWyrm is a decentralized social reading and reviewing service. Users can talk about books, track their reading, and see what friends are reading. It is ad-free, anti-corporate, and federated, allowing interaction with users on other BookWyrm instances and services like Mastodon.
cheapbotstootsweet.com
A site that helps users make Mastodon bots. Bots are written in Tracery, a tool for writing generative grammars, and running them is described as free. Users create an account for the bot on a bot-friendly Mastodon instance and supply only that instance's domain name to begin.
lambda.ai
Lambda offers hourly rental of NVIDIA H100, H200, B200, and A100 GPUs through a self-serve interface, with instances launchable via UI, API, or CLI. Users can train, fine-tune, and serve models on one to eight GPU instances and pay by the minute, with no egress fees.
instances.social
List of Mastodon instances.
mastogizmos.com
MastoGizmos is a collection of one-page JavaScript apps for searching and exploring Mastodon content. Tools include instance trend viewing, multi-instance hashtag search, verified user search, user directories, related hashtag discovery, RSS feed generation for hashtags, and local versus federated post comparison.
pleroma.social
Pleroma is social networking software compatible with other Fediverse software such as Misskey, Pixelfed and Mastodon. It is free software, with development and issue tracking on the project's GitLab instance. Users can join an existing instance or follow an installation guide to set up their own server. Multiple frontends are available, including Pleroma FE, Soapbox and Glitch-lily.
openuserjs.org
Proxy Redirect is a userscript that redirects to and rewrites links toward privacy-oriented proxy frontends, covering services such as Invidious, Nitter, Redlib, Searx and Wikipedia. The author states it allows reliable access to available public instances per service and helps distribute traffic across instances. It is published on OpenUserJS under AGPL-3.0-only.
rimgo.codeberg.page
rimgo is an alternative frontend for Imgur. Its documentation also lists Tor instances, which provide improved privacy but require the use of Tor Browser, and i2p instances, which require a browser configured to use i2p.
searx.party
searx.party, branded as Searx Party, is an instance of SearXNG, a privacy-respecting, open source metasearch engine. Powered by SearXNG version 2026.9.25+12f8b6515, the site provides links to the SearXNG source code, issue tracker, engine statistics, a list of public instances, a privacy policy and contact information for the instance maintainer. It is associated with the Rock Eaters Network.