Software studio · Prague
Few things, made properly.
Soverain is a small studio in Prague. We make a short list of tools — a desktop app for diagrams, two apps for Jira — and we don't ship them until they're finished.
EST. 2026 · PRAHA, CZ · IČO 29693144
01What we do
2 areas
What we do
01LIVE
Atlassian apps
Focused apps for Jira and the wider Atlassian ecosystem — Kanban+ and OnTask, both on the Marketplace.
- Kanban+ board & timeline
- Automation & SLAs
- OnTask work clock
- Team timesheet
02LIVE
Diagon
Diagrams as code, on your desktop — with an AI that drafts diagrams from plain words and never sends your work anywhere.
Learn moreDESKTOP02Why we're here
Why we're here
Software gets worse the further it travels from the person who made it. We stay this small so it doesn't have to travel far.
- A
Private by default — your data stays yours.
- B
Made with care, not in a hurry.
- C
A real person in Prague answers your email.
03Facts
4 figures
Facts
- Founded in Prague
- 2026
- Based & operated
- EU
- Independent studio
- 1
- Privacy-respecting
- 100%