Stackwise

About Stackwise

Stackwise, founded by Lena Fischer, is an open-source code-review assistant that summarizes pull requests, scores their risk, and explains changes in plain language.

Product

Code review that explains itself

Founded

Jun 2024

Stage

Pre-seed

Based in

Remote

Verification

Independently verified

The product

A GitHub app and CLI. Each pull request gets a summary, a risk score based on what it touches, and an explanation of every changed file. Self-hostable and open source under the MIT license.

Videos

• LFLena FischerFounder / Maintainer

  Stackwise

  Code review that explains itself

  • PR summaries
  • Risk scores
  • CI plugin

  Product demo1:28
  Stackwise reviews a real pull requestProduct demo · 1:28 · Oct 2026
• LFLena FischerFounder / Maintainer

  Stackwise

  Code review that explains itself

  • PR summaries
  • Risk scores
  • CI plugin

  Founder video1:53
  Why I made it open sourceFounder video · 1:53 · Sep 2026

Progress and updates

• Oct 2026
  GitLab support

  Stackwise now reviews GitLab merge requests too.

  Founder-reported
• Sep 2026
  4,000 GitHub stars

  The Stackwise repository passed 4,000 stars.

  Independently verifiedMilestone