# dandavison/delta

A syntax-highlighting pager for git, diff, grep, rg --json, and blame output

Repository: https://github.com/dandavison/delta
Canonical: https://ross.abutalabs.com/products/delta
Homepage: https://dandavison.github.io/delta/
Language: Rust
License: MIT
License Family: permissive
Topics: git, diff, pager, rust, delta, git-delta, color-themes, syntax-highlighter
Last push: 2026-08-02T00:01:16+00:00

## Health v2 (maintenance only)
Score: 90/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 95, release rhythm 77, longevity 100
- inputs: {"age_days": 2627, "days_push": 32, "days_rel": 158, "gap_med": 6, "n_releases_24m": 4}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 31865, forks 564 (observed 2026-08-28T04:11:57.212935+00:00)

## What it is
Delta is a syntax-highlighting pager for git, diff, grep, ripgrep --json, and git blame output, written in Rust. It offers side-by-side views, line numbers, word-level diff highlighting, navigation keybindings, and extensive theming and styling customization.

## Use cases
- make git diffs easier to read with syntax highlighting
- view side-by-side diffs with line numbers in the terminal
- improve git blame output with hyperlinks to commits
- syntax-highlight grep and ripgrep output
- navigate large diffs quickly with keyboard shortcuts
- customize diff colors and themes in git

## When to choose
- you review diffs in the terminal daily and want better readability
- you want a drop-in replacement for git's default pager with minimal gitconfig setup
- you need side-by-side diffs, line numbers, or improved merge conflict display

## When to avoid
- you only work in IDEs or GUI git clients with built-in diff viewers
- you need a minimal pager with no extra dependencies or configuration

## Facets
- artifact type: cli-tool
- maturity: active
- function: developer-tools, terminal-ui, version-control
- domain: developer-tools, version-control
- platform: cli, windows, rust
- tags: git-pager, diff-viewer, syntax-highlighting, git-blame, grep-output, color-themes, command-line, linux, macos

## Member repositories
- dandavison/delta (main) score 90

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:11:57.212935+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 2026-08-29T16:52:13.965420+00:00, confidence not recorded.
  - readme: https://github.com/dandavison/delta (fetched 2026-08-28T04:11:57.212935+00:00, sha c97cf5a55c1b)
  - homepage: https://dandavison.github.io/delta/ (fetched 2026-08-29T07:49:09.598252+00:00, sha 7213acc3ef15)
- Data as of 2026-08-30T08:39:29.467469+00:00.