accountingdata-managementfintech
Accounting Data Management
Understand the Input-Process-Output (IPO) flows, review data schemas, and manage your central Excel workbook database.
Front-end Developer & Utility Web App Creator
Useful front-end web apps, spreadsheet templates, and others.
New app
Payper — invoices, receipts & quotations in 4 languages
Free and private by design. The whole document lives in the link — no accounts, nothing stored.
New app
Ledger — spreadsheet in, something useful out
Turn any spreadsheet into summaries, charts, and exports — free, no sign-up. Your data never leaves your device.
gamemultiplayeronline
Fading Tic-Tac-Toe
A cute multiplayer Tic-Tac-Toe game with fading marks. Oldest marks fade away as you place new ones. Play online with a friend.
gamepuzzle
Block Puzzle
A relaxing and modern block puzzle game with smooth drag-and-drop gameplay and a warm, cozy aesthetic. Place blocks to clear rows and columns.
gamepuzzle
Arrow Escape
Tap. Slide. Escape. A tiny grid puzzle where every arrow wants out. Slide arrows off the board in the direction they point to clear each level.
gamepuzzle
Color Nuts
Sort the colorful nuts! Move nuts between tubes until each tube holds only one color. A simple, satisfying puzzle game.
gamepuzzle
15 Puzzle
Slide the tiles into their correct positions to solve the puzzle. A classic brain-teaser reimagined with a smooth, warm design and multiple grid layouts.
gameboard
Line Up Bingo
A Connect 4-style game. Players alternate dropping checkers into a grid — the first to line up four in a row, horizontally, vertically, or diagonally, wins.
fintechdocumentprint
Front-end Invoice App
A multilingual invoice app with interactive editing, query string-based data persistence (saving and loading), print functionality, and automatic total calculation.
fintechdocumentprint
Multi Receipts
An elegant, dashboard-style receipt creator. Supports tab-separated (TSV) spreadsheet batch data parsing, custom themes, and offline-capable sharing via long URLs.