Octopus Apps

Personal tools built by Octopus Technology

Open — no account needed Account — sign in to use Private — personal / invite only
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Octopus Games

Arcade games plus a live directory of our Terraria / Minecraft servers. Browse public servers free; sign in for connection details and access.

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Budget Tracker

Track income, expenses, and subscriptions. Full history, categories, and monthly summaries.

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Health Tracker

Log workouts, meals, and health metrics. Build habits and track progress over time.

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Octopus Chat

Multi-agent AI workspace — chat, notes, and assistants. Sign in required; bring your own key or use credits.

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Octopus Messenger

Private chat with friends — group rooms, DMs, history, file sharing, and voice/video. Invite-only.

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MMA Training

Mixed-martial-arts training reference and technique breakdowns.

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Speed Reader

RSVP-style speed reader. Paste text or upload a PDF and read at up to 1000 WPM.

#️⃣

Hash Generator

Compute MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes instantly in your browser.

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Base Converter

Convert numbers between binary, octal, decimal, hex, or any custom base up to 36.

✍️

Author

Long-form writing workspace — drafting, proofreading, citation generation and AI-detection checks, with your notes alongside the draft.

🎛️

Octopus EDM

Step sequencer, piano roll, mixer and sample browser built on the Web Audio API. Exports Standard MIDI files, so a phone sketch opens in FL Studio.

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Planner

Linked notes on an infinite canvas — backlinks and a graph view, with pluggable shape packs for network topology and floorplans.

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Shopper

Compare grocery prices across stores, keep a tagged recipe library, and turn a recipe straight into a shopping list.

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Math Practice

Practice problems and quizzes with a step-by-step tutor that follows up on the topics you keep getting wrong.

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Octopus EE

Breadboard planner with real tie-point topology, a parts catalogue, design review and generated firmware — plus published reference builds.

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Media Tracker

Track what you're watching and reading, and where you left off in each.

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Password Vault

Self-hosted Vaultwarden password manager. Personal — invite only.