Tools that turn thinking into action
Local-first. No user tracking. Your data stays on your device.
A financial decision-making and simulation engine that transforms static budgeting into dynamic outcome modeling. StackFlow helps users understand and simulate their financial future through interactive what-if scenarios.
Real-world income, job, and expenses as truth source
What-if scenarios for raises, job changes, debt shifts
Long-term financial impact of decisions
Make better financial decisions before they cost you.
A productivity system designed specifically for neurodivergent users who struggle with task initiation, overwhelm, and traditional linear task lists. Cairn turns progress into visible, grounding steps of movement and stability.
Start without pressure. Continue without overwhelm.
Tasks broken into extremely small, low-friction steps
Automatic "next smallest step" when overwhelmed
Flow-based interaction reducing pressure & burnout
Get unstuck and start moving again—one small step at a time.
DerpLife is a software studio building practical tools that reduce friction in thinking, planning, and execution.
We focus on systems that help people move from intention to action with less cognitive load and clearer structure.
Tools should reduce cognitive effort, not add to it.
Every feature must serve a real, observable user outcome.
User data belongs on the user's device whenever possible.
Systems should help users understand progress quickly and without friction.
We treat every product as a system design problem, not a feature collection.
We favor small, composable tools over large, overloaded platforms.
We build experimentally, but validate against real usability and real-world behavior.
Free tools. Local-only data storage. No user-level tracking. Maximum utility. Systems for clearer thinking, planning, and execution.