Directory
Published directory entries matching your search.
GEOFON is a seismic network and waveform data archive operated under the GEOFON Program at GFZ. The site provides rapid earthquake information on recent events and points to interactive forum and messaging services, along with information on SeisComP software.
GlobalPenFriends is a pen pal website where members find pen pals from 195+ countries and correspond by internet or snail mail. Profiles describe members and their pen pal preferences, and members can search for pen pals based on shared interests. The site offers secure online messaging and lists pen pal groups such as e-pals, language exchange, travel friends, candy swaps, mail art and postcard exchange.
GuildBit is a free service for deploying temporary Mumble voice servers for a group. The service says it is funded by donations and upgrades, and free servers are currently limited to 15 slots.
Hermes Agent is an open-source, self-hosted AI agent by Nous Research. It is available as a terminal app and as Hermes Desktop for macOS, Windows and Linux, with persistent memory and a messaging gateway for platforms such as Telegram, Discord, Slack, WhatsApp, Signal and email. It is free under the MIT license.
VPN service for encrypted browsing, IP masking, and private internet access.
Hydrosphere Mist is a serverless proxy for Spark clusters. It offers a functional programming framework and deployment model for Spark applications, with a REST HTTP and messaging API for Scala and Python Spark jobs. Sessions are managed across EMR, Hortonworks, Cloudera, DC/OS and vanilla Spark clusters.
Hyperlane is an open framework for blockchain interoperability. It supports bridging, swapping and sending arbitrary data across more than 150 chains and 7 virtual machines, including EVM, Solana, Cosmos and custom VM architectures. It also covers interchain messaging, multichain asset issuance and cross-chain governance.
Infinite Story is an application for reading and collaboratively writing interactive fiction, including branching, choose-your-own-adventure, CYOA and text adventures. The tool can also be used to create interactive workflows, menu prototypes and image adventures. Features include writing clans, image uploads, private stories, submission review, private messaging and room linking.
Intra is an Android app that encrypts connections to public DNS servers to protect against DNS manipulation, a cyber attack used to block access to news sites, social media platforms and messaging apps. It helps protect against phishing and malware, and lets users customize their DNS server provider, including using their own server or providers such as Cloudflare or Google.
A site that shows realtime status of outages and problems with service providers. It covers categories such as phone and internet providers, video games, VoIP and messaging, online services, mobile apps, postal and delivery services, power utilities and online finance. Users can check outage reports, compare local activity and report a problem.
Open video meeting platform for browser-based calls, conferences, and screen sharing.
Keybase is secure messaging and file-sharing software using public key cryptography for end-to-end encryption. It stores group photos, videos and documents, supports exploding messages with timers, and connects to public identities from services such as Twitter and Reddit. It is available for macOS, Windows, Linux, iPhone and Android.
Luna Multiplayer is a multiplayer mod for Kerbal Space Program. It provides servers, time synchronization over NTP, reliable UDP messaging, interpolation for vessels, NAT punchthrough, and shared career and science mode resources among players. Servers are listed within the mod, and server hosting is offered through a partner.
Mattermost is a collaboration platform offering secure messaging and workflow automation, deployable in sovereign cloud, on-premises, air-gapped and hybrid environments. It is described as built for national security, critical infrastructure and regulated enterprises, with per-channel permissions and retention.
Monal is an XMPP instant messaging client for macOS and iOS, with versions for iOS, iPadOS and macOS. It is developed under an open-source BSD license. XMPP is described as an open and standardized protocol for real time communication on which users can host their own server.
MyBB is free and open source PHP forum software run by volunteers. It provides an admin control panel, plugins and themes, moderation tools, private messaging, polls, thread prefixes and video embedding, with community-maintained translations for more than 30 languages.
APIs for messaging, voice, and phone verification.
A dead simple Go library for sending notifications to various messaging services.
OSINT Toolkit provides email and username lookup tools. Users enter a username or email to run general searches, social media searches and messaging app searches. The site notes that username and email results are an approximation, so negative results do not necessarily mean an account is not in use.
PHPCRM is a web-based customer relationship management software built with PHP that helps businesses manage customer interactions, leads and sales pipelines. It is offered in two editions: PHPCRM Open-Source, free and self-hosted, and PHPCRM Cloud, a premium fully hosted edition. Core features include lead management, customer relationship management, proposals and estimates, invoicing and billing, inventory, tax, staff and user management, internal messaging and reporting.
Pidgin is a free chat program that lets users log into accounts on multiple chat networks simultaneously. It is compatible out of the box with networks including Jabber/XMPP, Bonjour, Gadu-Gadu, IRC, and others, and plugins can add more. Pidgin runs on Windows, Linux, and other UNIX-like operating systems; it contains no ads and is open source under the GNU General Public License.
PingMe is an open source notification tool that provides both a command-line interface and a web service, allowing users to send alerts across a wide range of supported messaging platforms from a single unified tool.
PlayOK offers free online board and card games played against live opponents, with game rooms, rankings, statistics, user profiles, contact lists, private messaging and game records. Mobile devices are supported. The site lists games including chess, backgammon, canasta, pinochle, spades, hearts and draughts, with tournaments and a count of players online.
Proton VPN is a privacy-focused virtual private network service offered by Proton. It provides fast, secure connections across servers in more than 140 countries, with free and premium Plus plan options. The service operates on a no-logs, no-ads policy, is open-source and independently audited, and supports streaming, device compatibility across desktop, mobile, smart TV, and browser platforms. It also includes tools such as a public IP scanner and censorship simulator.
