Ricin!

You will need version 4 or higher of `firefox` https://www.mozilla.org/firefox
to run Pencil as a Firefox Extension. Linux users will need version 4 or higher of either `firefox`, `iceweasel` or `xulrunner` https://developer.mozilla.org/en-US/docs/Mozilla/Projects/XULRunner,
or version 25 or higher of `palemoon` https://www.palemoon.org/.
The Windows installer and OS X archive has everything you need built-in. Windows, Linux, OS X & Firefox Packages are available for download from the Releases Page https://github.com/prikhi/pencil/releases.
You can also install the Firefox Add-on from the Mozilla Add-on Repository https://addons.mozilla.org/en-US/firefox/addon/pencil-prototyping/.
To install the OS X package, unzip the archive and copy the `Pencil.app` folder t

Ricin alternatives

  • Isotoxin

  • Multiprotocol messenger with Tox and XMPP support.

    tags: Portable chat-clients communications encrypted-chat free-calls
  • Cyanide

  • Cyanide is Tox client for Sailfish OS .

    tags: instant-messaging tox-client
  • Toxygen

  • Toxygen is powerful cross-platform Tox client written in pure Python3.

    tags: audio-conversion chat-clients encrypted-chat file-transfer instant-messaging
  • qTox

  • qTox - The most feature-rich Tox client; P2P instant messaging, audio and video calls.

    tags: anonymity anonymous-secure-filesharing audio-conversion encrypted-chat group-chat
  • Antox

  • Antox is an Android client for Tox. It aims to bring the full multimedia support Tox offers to your device, although it's still currently in heavy development. Antox is built on Google's Material Design Guidelines, and is both fast and fluid. Support for stickers, geo-location, and other services offered by competing instant messaging applications are currently being decided upon.

    tags: chat-clients encrypted-chat end-to-end-encryption file-transfer group-chat
  • Toxic

  • Toxic is a Tox-based instant messenging client which formerly resided in the Tox core repository, and is now available as a standalone application.

    tags: encrypted-chat end-to-end-encryption file-transfer instant-messaging p2p-chat
  • uTox

  • µTox is the lightweight client with minimal dependencies; it not only looks pretty, it runs fast! µTox is available for Windows, OS X, and Linux (Android support is experimental), with full support for chat, file transfers, audio/video calling, and desktop sharing (both as video and inline screenshots). It also supports text group chats with audio groups pending the next Toxcore update.

    tags: chat-clients decentralized encrypted-chat end-to-end-encryption file-transfer