install

Additional install commands

macOS

Homebrewverified · 100%

brew install tkdiff

local Homebrew formula metadata

MacPortsverified · 94%

sudo port install tkdiff

MacPorts ports tree · x11/tkdiff/Portfile · source: api.github.com

Linux

Nixverified · 92%

nix profile install nixpkgs#tkdiff

nixpkgs package indexes · pkgs/by-name/tk/tkdiff/package.nix · source: api.github.com

openSUSE zypperverified · 92%

sudo zypper install tkdiff

openSUSE Tumbleweed package metadata · tkdiff · source: download.opensuse.org

overview

Package summary

Graphical side by side diff utility

Project links

Commands and aliases

tkdiff

history

Project history and usage

TkDiff is a Tcl/Tk graphical front end to diff, designed for side-by-side file comparison, merge preparation, and lightweight visual review across Unix, Windows, and macOS-style desktop environments.

Project history

The official TkDiff site describes the program as a graphical front end to diff with side-by-side text comparison, diff bookmarks, a graphical map of differences, and tools for slicing diff regions to control merge output.

SourceForge lists tkdiff as registered on 2002-10-16 and still active, with a last update shown as 2026-05-21. The project is written in Tcl and distributed under GPLv2, which matches its long life as a small portable GUI that only needs a Tcl/Tk runtime.

Over time the SourceForge description broadened from a simple visual diff viewer into a source-code tool: it lists support for several SCM systems including Subversion, Git, Mercurial, directory-level comparison, configurable differencing engines, and 3-way merging.

Adoption history

TkDiff's adoption followed the classic Tcl/Tk pattern: one portable scriptable GUI could run across X11, Win32, and macOS environments with little platform-specific machinery. SourceForge lists Windows, Mac, Linux, BSD, and ChromeOS as supported operating-system families.

The supplied package-manager facts show tkdiff carried by Homebrew, MacPorts, Nix, and openSUSE/zypper, reflecting a durable developer-tool niche: it is old enough to predate Git's dominance but simple enough to remain useful in modern package collections.

How it is used

TkDiff is used when a developer wants a fast visual view of textual differences without adopting a full IDE. The SourceForge feature list emphasizes SCM integration, directory recursion, alternate diff engines, statistics, and 3-way merge support.

In package-manager culture, tkdiff is the kind of utility people install once and keep around as a familiar external diff or merge command. It is especially attractive on systems where Tcl/Tk is already available and a small GUI beats a heavier review application.

Why package nerds care

TkDiff is significant because it represents the durable Tcl/Tk desktop-tool stratum of open source: small, cross-platform, scriptable, and useful for decades.

For package nerds, it is a reminder that many valuable developer tools are neither language servers nor web apps; they are stable wrappers around Unix primitives that package managers keep alive because they still solve a concrete workflow.

Timeline

2002-10-16: SourceForge project registered.
2026-05-21: SourceForge lists the latest project update.
2026: SourceForge project page continues to list SCM integration, directory comparison, and 3-way merge support.

Related projects

diff is the underlying command-line comparison tool that TkDiff visualizes.
Subversion, Git, and Mercurial are listed by the project as SCM systems TkDiff can interface with.
Meld and WinMerge are adjacent visual diff and merge tools in the same package-manager niche.

Sources

https://sourceforge.net/projects/tkdiff/ SourceForge registration, features, platforms, language, license, update date, and category
https://tkdiff.sourceforge.io/ official project description
source_facts.package-manager for Homebrew, MacPorts, Nix, and zypper packaging

security posture

Risk level: green

narrow executable package without higher-risk signals.

Risk classifier

green risk · low confidence · appliance

Why

narrow executable package without higher-risk signals

Signals

metadata:no-higher-risk-signals

Install behavior

No Homebrew post-install hook is recorded in formula metadata.
Homebrew bottle metadata is available for 1 platform targets.
Installs with 1 runtime dependencies.

Recommended review

Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.

executables

Installed executables

Command	Kind	Exposure	Note
`tkdiff`	cli	global executable

freshness

Version and freshness

These signals separate page generation age, package-manager activity, and upstream release comparison. Version lag is warned only when an evidence URL and comparable versions are present.

page generated2026-07-08

manager version6.0

manager updated

local dataok

upstreamnot checked

latest detectednot detected

https://tkdiff.sourceforge.io/

infoNo package-manager update timestamp was available.low confidence
infoRelease/tag comparison is only available for GitHub repositories.https://tkdiff.sourceforge.io/none confidence

install metadata

Package metadata

Package key	brew:tkdiff
Version	6.0
Package manager	Homebrew
Package manager page	https://formulae.brew.sh/formula/tkdiff
Homepage	https://tkdiff.sourceforge.io/
Repository	https://sourceforge.net/p/tkdiff/code/HEAD/tree
Upstream docs	https://sourceforge.net/projects/tkdiff
License	GPL-2.0-only
Source archive	https://downloads.sourceforge.net/project/tkdiff/tkdiff/6.0/tkdiff-6-0.zip
Dependencies	tcl-tk
Bottle	available (on all)
Homebrew post-install	not defined
Service	none declared

registry facts

Source database details

Source Database	Homebrew formula API
Tap	homebrew/core
Full Name	tkdiff
Version Scheme	0
Revision	0
Bottle Stable Root URL	https://ghcr.io/v2/homebrew/core
Deprecated	no
Disabled	no
Keg Only	no
URL Keys	stable

source database matches

Other package-manager records

Matches are pulled from external package-manager indexes and kept separate from local Automic Vault package links.

Nix95%

tkdiff

nix profile install nixpkgs#tkdiff

normalized package name match
Matched by: Tkdiff

nixpkgs package indexes · api.github.com · nixpkgs package indexes: pkgs/by-name/tk/tkdiff/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1

zypper95%

tkdiff 6.0-1.1

2 and 3-way diff/merge tool

https://tkdiff.sourceforge.io/

sudo zypper install tkdiff

License: GPL-2.0-or-later
Category: Productivity/Text/Utilities
Architecture: noarch
Source Package: tkdiff
4 dependencies
1 provides
normalized package name match
Matched by: Tkdiff

openSUSE Tumbleweed package metadata · download.opensuse.org · openSUSE Tumbleweed package metadata: tkdiff from https://download.opensuse.org/tumbleweed/repo/oss/repodata/be8d3611d25469107f32075a1697e69ec57a2b850b42348a658cc671ad5ec2b50760d02c3e59524d50da9a11d5be799bdaffba2e166e8ca8858512e3c0bd665d-primary.xml.zst

MacPorts95%

tkdiff

sudo port install tkdiff

normalized package name match
Matched by: Tkdiff

MacPorts ports tree · api.github.com · MacPorts ports tree: x11/tkdiff/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1

package graph

Links come from deterministic package relationships, av.db category and tag curation, ecosystem matches, and package hub membership.

source trail

Generated from repository data

This page is generated by av-web from the private package SQLite artifact built by scripts/generate-pkg-sqlite.py.

Combined YAML source

View the package source record on GitHub.

combined/tkdiff.yml

Used sources

Geiger risk classifier
Nucleus package database
av.db category and tag curation
cross-ecosystem install command graph
curated package history
external package-manager database matches
package relationship graph
package version freshness
package-page enrichment

Install tkdiff with Homebrew, MacPorts, Nix, zypper