
Free Piano Tool - 88-Key Online Piano with A440 & Metronome
Play a free 88-key online piano with A440 concert pitch, key labels, and a built-in metronome. Mobile-friendly, no download required.
@StepintoBEra · X
Mine is free, btw.
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Play a free 88-key online piano with A440 concert pitch, key labels, and a built-in metronome. Mobile-friendly, no download required.
@StepintoBEra · X
Mine is free, btw.

Find competitor SERP weak spots and easy-to-rank long-tail keyword opportunities.
@quorankSERP · X

Wager digital assets in fast, skill-based typing matches. Real-time competition and onchain rewards turn every keystroke into a spectator-ready earning experience.
@weston_union · X

Practice typing with structured lessons and drills to improve your speed.
u/Clarry_j · Reddit
Got tired of being so damn slow at writing, built an app to fix it I built this over a summer, which is a sentence I used to write about other things. I'm a physics student and a sailing instructor, I don't code, and I used an AI so I wouldn't have to learn — which, God help me, is the most honest thing I've said in this whole post. 31 sub-levels. It tracks the letters I get wrong and the specific pairs of letters I get wrong, which is more self-awareness than I've managed in a decade. Free

A rhythm game where you distinguish fake instructions and follow real ones to the beat using arrow keys.
Blue White Flag — Play Blue Flag White Flag Games Online Free

Generate chord progressions by choosing key, style, and mood with instant audio preview.

Free browser games that teach Mac keyboard shortcuts through gameplay, no download or signup needed.
@EjCruz77 · X
Just launched Keyverse — a free browser game that teaches you Mac keyboard shortcuts by playing, not memorizing. No install. No signup. Just open and train. #buildinpublic #indiedev #macOS


Play a keyboard puzzle game and score points.
@pyoner · X
I scored 41 points in the Keyboard Puzzle Game, built with ChatGPT by @pyoner! Can you beat my score? 🤔🎮 #keyboardpuzzlegame #chatgpt #ai #games

SecretSweep finds leaked API keys, passwords, and credentials across your GitHub, GitLab, and Bitbucket repositories.
@MaksimHaydwv7j · X

Capture meetings, write notes with AI, and create diagrams on a shared canvas in one place.
@rubs_murga · X

Manage API keys and usage budgets for coding-agent workflows with request routing.
u/Zyron_X · Reddit
I built a service for people to use Codex API without 5-hour limit disruption I built a small service for people who use the OpenAI Codex API regularly and want more predictable usage without the 5-hour or weekly limits. It currently provides: Frontier OpenAI models (GPT 5.6 family included) Managed API key Monthly usage budgets depending to plan No 5-hour limit No weekly limit Under the hood, it is built on top of an open-source project and proxies requests to