macOS
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brew install epsilonlocal Homebrew formula metadata
brew
Install epsilon with Homebrew
Powerful wavelet image compressor. Version 0.9.2 via Homebrew; verified from local package data.
install
Additional install commands
overview
Package summary
Powerful wavelet image compressor
Project links
Commands and aliases
- epsilon
- start_epsilon_nodes.pl
- stop_epsilon_nodes.pl
history
Project history and usage
EPSILON is an open-source wavelet image compressor. The official SourceForge project page and wiki describe it as aimed at parallel and robust image processing.
Project history
The SourceForge project was registered on October 2, 2006. Its public project metadata lists a last update of June 17, 2014, suggesting a mature but quiet utility rather than an actively evolving media stack.
Adoption history
EPSILON's visible adoption is narrow: it is packaged by Homebrew in this dataset and hosted on SourceForge with code, wiki, tickets, mailing lists, and file releases. The official page lists BSD, Linux, and Windows as operating systems.
How it is used
The package provides an epsilon command plus helper scripts for starting and stopping EPSILON nodes, fitting its stated focus on parallel image-processing workflows.
Why package nerds care
EPSILON is interesting mostly as a niche compressor: wavelet-based, command-line friendly, and old enough to preserve a SourceForge-era image-processing project in modern package managers.
Timeline
- 2006: SourceForge project registered.
- 2014: SourceForge project page lists its last update.
Related projects
- The project is adjacent to other command-line image-compression and image-processing tools, but no direct upstream companion project is documented in the official sources.
Sources
security posture
Risk level: blue
broad file, network, media, or database tool signal.
Risk classifier
blue risk · medium confidence · tool
Why
- broad file, network, media, or database tool signal
Signals
- text:compress,image
Install behavior
- No Homebrew post-install hook is recorded in formula metadata.
- Homebrew bottle metadata is available for 13 platform targets.
- Installs with 1 runtime dependencies.
- Build metadata lists 3 build 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 |
|---|---|---|---|
epsilon | cli | global executable | |
start_epsilon_nodes.pl | cli | global executable | |
stop_epsilon_nodes.pl | 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 version0.9.2
manager updated
local dataok
upstreamnot checked
latest detectednot detected
https://sourceforge.net/projects/epsilon-project/
- infoNo package-manager update timestamp was available.low confidence
- infoRelease/tag comparison is only available for GitHub repositories.https://sourceforge.net/projects/epsilon-project/none confidence
install metadata
Package metadata
| Package key | brew:epsilon |
|---|---|
| Version | 0.9.2 |
| Package manager | Homebrew |
| Package manager page | https://formulae.brew.sh/formula/epsilon |
| Homepage | https://sourceforge.net/projects/epsilon-project/ |
| Repository | https://sourceforge.net/p/epsilon-project/code |
| Upstream docs | https://sourceforge.net/p/epsilon-project/wiki |
| License | BSD-3-Clause AND (GPL-3.0-or-later OR LGPL-3.0-or-later) |
| Source archive | https://downloads.sourceforge.net/project/epsilon-project/epsilon/0.9.2/epsilon-0.9.2.tar.gz |
| Dependencies | popt |
| Build dependencies | autoconf, automake, libtool |
| Bottle | available (on arm64_big_sur, arm64_linux, arm64_monterey, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, big_sur, catalina, monterey, sonoma, ventura, x86_64_linux) |
| Homebrew post-install | not defined |
| Service | none declared |
registry facts
Source database details
| Source Database | Homebrew formula API |
|---|---|
| Tap | homebrew/core |
| Full Name | epsilon |
| Version Scheme | 0 |
| Revision | 0 |
| Bottle Stable Root URL | https://ghcr.io/v2/homebrew/core |
| Deprecated | no |
| Disabled | no |
| Keg Only | no |
| URL Keys |
|
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.
Used sources
- Geiger risk classifier
- Nucleus package database
- av.db category and tag curation
- cross-ecosystem install command graph
- curated package history
- package relationship graph
- package version freshness
- package-page enrichment