# guyoung/CaptfEncoder

Captfencoder is opensource a rapid cross platform network security tool suite, providing network security related code conversion, classical cryptography, cryptography, asymmetric encryption, miscellaneous tools, and aggregating all kinds of online tools.

Repository: https://github.com/guyoung/CaptfEncoder
Canonical: https://ross.abutalabs.com/products/captfencoder
Homepage: https://github.com/guyoung/CaptfEncoder
Language: JavaScript
License: MIT
License Family: permissive
Topics: electron, network-security, ctf, crypto, encode, misc, hash, cybersecurity, decode, security, security-tools, toolkit, cipher, hacking-tool, rust, encoder, decoder, fltk, opensource
Last push: 2023-10-16T02:59:08+00:00

## Health v2 (maintenance only)
Score: 23/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 0, release rhythm 8, longevity 100
- inputs: {"age_days": 3026, "days_push": 1052, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1294, forks 193 (observed 2026-08-28T04:04:16.367697+00:00)

## What it is
CaptfEncoder is an open-source, cross-platform network security tool suite offering encoding/decoding conversions, classical and modern cryptography, asymmetric encryption, and miscellaneous utilities, with aggregated online tools. Version 3 is built in Rust with script extension support and ships as a desktop GUI application.

## Use cases
- decode base64 strings from a CTF challenge
- encode text to hex, morse code, or brainfuck
- encrypt and decrypt classical ciphers like Caesar or Playfair
- compute hashes and work with asymmetric encryption
- convert between ascii, unicode, url, and html entity encodings
- extend the toolkit with custom scripts
- solve capture-the-flag crypto puzzles offline

## When to choose
- you need a CyberChef-like offline GUI toolkit for CTF crypto and encoding tasks
- you want one cross-platform app covering many classical ciphers and encodings
- you prefer a native desktop tool with script extensibility

## When to avoid
- you need a CLI or scriptable pipeline tool rather than a GUI
- you require modern TLS-grade cryptographic operations for production security
- you need actively maintained software with frequent updates

## Facets
- artifact type: application
- maturity: maintenance
- function: security, cryptography, serialization, developer-tools, gui
- domain: security, developer-tools, cross-platform
- platform: windows, cross-platform
- tags: ctf, encoder, decoder, classical-ciphers, cybersecurity, toolkit, electron, rust, cryptography, linux, macos, desktop

## Member repositories
- guyoung/CaptfEncoder (main) score 23

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:04:16.367697+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T04:54:05.058767+00:00, confidence not recorded.
  - readme: https://github.com/guyoung/CaptfEncoder (fetched 2026-08-28T04:04:16.367697+00:00, sha 02c5459a5716)
  - homepage: https://github.com/guyoung/CaptfEncoder (fetched 2026-08-29T12:11:10.047368+00:00, sha 9ef1db6d97f4)
- Data as of 2026-08-30T08:39:29.467469+00:00.