Developer tools · StackwiseDemo
Will Stackwise be #1 on Product Hunt launch day?—Last trade
0 contracts tradedNov 4, 2026
Founder · Berlin, Germany Demo
Lena Fischer
@lenafischer
Open source maintainer, building calmer code review
23 followers
About Lena
Lena maintains Stackwise and wants code review to take minutes, not days.
Background
Staff engineer at two developer-tools companies; long-time open source maintainer.
Accomplishments
- Maintainer of a popular testing library (demo)
- Speaker at a fictional European developer conference
Videos
Markets on Lena’s startups
1Milestones
- GitLab support
Stackwise now reviews GitLab merge requests too.
- 4,000 GitHub stars
The Stackwise repository passed 4,000 stars.