Dice Roller + Sticky Notes Polish
Two updates: a new animated dice rolling tool for tabletop RPG sessions, and a round of polish on Sticky Notes — font-size slider, reset, full screen toggle, and a reassuring one-liner.
I'm Larry (Danna) Collins Jr.
Software developer (C#, SQL, .NET). Live bluegrass musician. Vintage computer collector. I build things that are useful, play things that are loud, and collect things that are old.
Featured tools
Personal Kanban
Drag-and-drop cards across To Do, WIP, and Done. Multiple boards, editable columns, and JSON export.
Open BoardDice Roller
Roll d4 through d100 with animated dice, custom modifiers, and a full session history. Built for tabletop RPG sessions.
Roll itSticky Notes
A virtual desktop of draggable, resizable sticky notes. Multiple boards with tabs, six note colors, JSON export & import, and keyboard shortcuts.
Try itRecent posts
All posts →New Tool: Personal Kanban Board
Added a drag-and-drop Personal Kanban board with multiple boards, editable columns, and JSON export/import — all in a single vanilla JS file.
Sticky Notes: A Desktop You Can Fill With Clutter
A new tool: a virtual desktop of draggable, resizable sticky notes with multiple boards, six colors, JSON export, and keyboard shortcuts — all in one self-contained HTML file.
Tools
Interactive web demos I use myself. SQL helpers, regex testers, games, and more.
Tips
Pro tips in C#, SQL, JavaScript, and 6502 assembly. Stack Overflow-style, searchable by tag.
Vintage
My Commodore 64 and vintage computer collection. Hardware history, personal notes, growing 6502 projects.
Music
Live bluegrass with friends. AI-assisted songwriting with Suno. Videos and tracks.