htalkat: Talk across TLS

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Server and curses client for the "talkat" (Talk Across TLS) real-time text communication protocol.

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Manual Flags

Name	Description	Default
curses	Enable Curses UI	Enabled

Use -f <flag> to enable a flag, or -f -<flag> to disable that flag. More info

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htalkat-0.1.2.7.tar.gz [browse] (Cabal source package)
Package description (as included in the package)

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mbays

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Versions [RSS]	0.1.1, 0.1.2, 0.1.2.1, 0.1.2.2, 0.1.2.3, 0.1.2.4, 0.1.2.5, 0.1.2.6, 0.1.2.7
Change log	CHANGELOG.md
Dependencies	array (>=0.3 && <0.6), base (>=4.9 && <5), bytestring (>=0.10.8.0 && <0.13), containers (>=0.5.5.1 && <0.9), crypton (>=1.0.7 && <1.2), crypton-asn1-encoding (>=0.10 && <0.11), crypton-asn1-types (>=0.4.0 && <0.5), crypton-x509 (>=1.9.0 && <1.10), crypton-x509-validation (>=1.9.0 && <1.10), data-default-class (>=0.1.2.0 && <0.3), data-hash (>=0.2.0.1 && <0.3), directory (>=1.2.1.0 && <1.4), exceptions (>=0.10.4 && <0.11), filelock (<0.2), filepath (>=1.3.0.2 && <1.6), hscurses (<1.6), mtl (>=2.0 && <2.4), network (>=2.4.2.3 && <3.3), network-simple (>=0.4.3 && <0.5), pem (>=0.2.4 && <0.3), process (>=1.2.0.0 && <1.7), ram (>=0.14 && <0.23), rset (<1.1), safe (>=0.3.19 && <0.4), temporary (>=1.2 && <1.4), text (>=1.1.0.0 && <2.2), time (<1.17), time-hourglass (>=0.2.12 && <0.4), tls (>=1.5.4 && <2.5), transformers (>=0.3.0.0 && <0.7), unix (>=2.7.0.1 && <2.9) [details]
License	GPL-3.0-only
Author	Martin Bays
Maintainer	mbays@sdf.org
Uploaded	by mbays at 2026-09-06T10:41:24Z
Category	Network
Home page	https://mbays.sdf.org/htalkat
Source repo	head: git clone https://repo.or.cz/htalkat.git
Distributions
Executables	htalkat
Downloads	849 total (15 in the last 30 days)
Rating	(no votes yet) [estimated by Bayesian average]
Your Rating	λ λ λ
Status	Docs not available [build log] All reported builds failed as of 2026-09-06 [all 2 reports]

Readme for htalkat-0.1.2.7

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htalkat: Haskell client and server for talkat (Talk Across TLS)

Building from source

Install the haskell package manager cabal, and the ncurses library and headers; e.g. on a debian system:

$ sudo apt-get install cabal-install libncursesw5-dev

Then in the htalkat directory, run:

$ cabal update && cabal install

The resulting binary will be installed by default as ~/.cabal/bin/htalkat.

Compile-time options

cabal install -f -curses: compile without curses; a very simple dumb client is used instead.

Basic usage

# Create your cryptographic identity:
htalkat i
# Connect to a talkat URI:
htalkat c talkat:1fb3034c92e2b5d32f78739995abf31b@example.invalid
# Give it a short name:
htalkat n talkat:1fb3034c92e2b5d32f78739995abf31b@example.invalid bob
htalkat c bob

# Host your own talkat server; by default this will run on port 5518.
htalkat l
# Wait for someone to connect, then answer:
htalkat a

# Get further help
htalkat h

Configuration

After first run, you can edit ~/.htalkat/htalkat.conf for general configuration options, and ~/.htalkat/notify.sh to set how the server notifies you of incoming connections.

Portability

htalkat was written with POSIX systems in mind, and has only been tested on them, but it may also be possible to compile and run it on Windows. Please let me know if you try.

-- mbays@sdf.org