The Tcl (Tool Command Language) scripting language.

Expect is a tool for automating interactive applications such as telnet, ftp, passwd, fsck, rlogin, tip, etc. Expect really makes this stuff trivial. Expect is also useful for testing these same applications. And by adding Tk, you can wrap interactive applications in X11 GUIs.

Tcllib, the standard Tcl library, is a collection of common utility functions and modules all written in high-level Tcl.

Tk is a Graphical User Interface ToolKit.

WebRTC-for-Telegram-Desktop is a custom WebRTC fork by Telegram project, for its use in telegram desktop client.

TL-Parser is a tl scheme to tlo file parser. It was formerly a part of telegram-cli, but now being maintained separately.

Tdlib is a cross-platform library for creating custom Telegram clients following the official Telegram API. It can be easily used from almost any programming language with a C-FFI and features first-class support for high performance Telegram Bot creation.

TG is the command-line interface for Telegram Messenger.

TGL is the telegram library for telegram-cli.

This package is an alternative fork of https://github.com/Samsung/rlottie with changes adopted for Telegram desktop and not propagated to upstream.

Telegram desktop is the official desktop version of the Telegram instant messenger.

This program converts Telegram's animated stickers in TGS format into a series of PNG images.

Twinkle is a softphone for your voice over IP and instant messaging communcations using the SIP protocol. You can use it for direct IP phone to IP phone communication or in a network using a SIP proxy to route your calls and messages.

A collection of libraries and header files for implementing telephony functionality into custom Telegram clients.

This package provides a VoIP media traffic NAT traversal server and gateway. It implements the STUN (Session Traversal Utilities for NAT) and TURN (Traversal Using Relays around NAT) server protocols.

Phonesim is a modem emulator that oFono uses for development and testing. This allows oFono to be used by any host without requiring special GSM (or other) hardware.

PJProject provides an implementation of the Session Initiation Protocol (SIP) and a multimedia framework.

GNU uCommon C++ is meant as a very light-weight C++ library to facilitate using C++ design patterns even for very deeply embedded applications, such as for systems using uclibc along with posix threading support.

This package provides an implementation of the Secure Real-time Transport Protocol (SRTP), the Universal Security Transform (UST), and a supporting cryptographic kernel.

Baresip is a portable and modular SIP user agent with support for audio and video, and many IETF standards such as SIP, SDP, RTP/RTCP, STUN, TURN, ICE, and WebRTC.

PJProject provides an implementation of the Session Initiation Protocol (SIP) and a multimedia framework.

Seren is a simple VoIP program based on the Opus codec that allows you to create a voice conference from the terminal, with up to 10 participants, without having to register accounts, exchange emails, or add people to contact lists. All you need to join an existing conference is the host name or IP address of one of the participants.

This package provides callaudiod, a daemon to route audio during phone calls, and a library.

EXosip is a library that hides the complexity of using the SIP protocol for multimedia session establishment. This protocol is mainly to be used by VoIP telephony applications (endpoints or conference server) but might be also useful for any application that wish to establish sessions like multiplayer games.