Built from a real need
Every application here started because I needed it — a manuscript that had outgrown a word processor, a protocol that had outgrown a spreadsheet, a month of bills that had outgrown a notebook.
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Software by Brandon Mysliwiec
Tools built to solve real problems.
I build software to solve problems I run into in my own work, research, writing, fitness and everyday life. When a tool turns out to help someone else too, I would rather hand it over than put a price on it — so these applications are free to download and free to use.
- Independently developed
- Runs on your own machine
- No accounts to create
- Free to download
- Still in active development
How I approach building software
Your data stays yours
The desktop applications keep work in files on your computer. SproutDuty stores family records on the website so parents and children can share their progress through separate accounts.
Free wherever possible
No subscription, no locked features, no trial that expires. If you find a tool useful you can support the work — but nothing is held back until you do.
Still being worked on
These are living projects with published version numbers and release notes, not abandoned downloads. Bug reports and corrections are welcome and get read.
The applications
Five tools, free to use.
Explore the tools below. The desktop programs run locally; SproutDuty brings your family together online with private accounts. All are free to use.
SproutDuty
Family chores, learning and rewards
A free family space for daily expectations, schoolwork, allowance and points rewards. Parents set the plan, children see their progress, and everyone knows what has been earned and paid.
QuillArk
Offline writing & worldbuilding studio
A manuscript editor, worldbuilding database, research workspace and publishing toolchain in one application. Chapters and scenes, twenty-five record categories, mind maps, story arcs, revision history, and export to PDF, EPUB, DOCX and six other formats — with a local AI engine that never sends a word anywhere.
VialTome
Research protocol tracking & knowledge platform
A local-first research workspace that keeps protocols, subjects, timelines, evidence-tiered knowledge, supplies and reports in one place. Design a titration, watch it render on a timeline, and produce a report that still reads correctly a year after the protocol changed.
Prime Edge Systems
Fitness, nutrition & coaching
Workouts, food, body measurements, progress photos, lab results and clients — in one application that never sends any of it anywhere. Stored in a database only the application can read, on your own device. Every network feature ships switched off and is opt-in, and there is no crash reporting, no analytics and no telemetry.
Mysliwiec Budget
Household & business money
Track every bill and debt, see the month you become debt free, and invoice your customers if you run a business. Sixteen screens of the real application on its own page, three packages in one download — website, Windows and phone — and a demo you can try in the browser with nothing to install.
Optional
Support free software development.
Every application on this page is free, and it stays free. There is no paid tier waiting behind the download, and no feature is held back for people who contribute. If one of these tools saves you time or does something you would otherwise have paid for, a contribution helps fund the next release — but it is entirely optional, and you will not be asked again.
Payments are handled by Square. Contributing unlocks nothing, creates no account, and is never required to download or use any of the software above.
