Startup Directory

Personal projects by 陈星宇

A free pink study timer with a koala who studies with you. Made in Berlin. Pinkoa is Finnish: to run fast, and in student slang, to study hard.

AiHunt is a platform for discovering the latest AI tools and applications across different industries and use cases. It helps individuals, professionals, developers, and businesses find AI solutions that match their needs. From AI writing assistants and image generators to coding tools, business automation, and productivity solutions, AiHunt brings a wide range of AI applications together in one place. Users can explore different categories, discover newly launched tools, and find solutions based on their requirements. The platform also allows AI creators to submit their tools and reach a wider audience. Whether you are looking to improve productivity, simplify workflows, or explore new AI technologies, AiHunt makes discovering useful AI tools easier.

Free printable coloring pages and PDFs for kids and families. Browse, preview, and download with no account.

AI Lyrics Generator and Song Generator

VaxVoIP SIP Voice Agent AI SDK connects SIP calls to OpenAI Realtime, enabling developers to build multilingual AI voice agents for customer support, receptionists, autodialers, and surveys.

Hundreds of products launch every day across dozens of sites. StillWorks reads them all and keeps the few worth a look. Free, no pay-to-play.

Your storefront and your shop floor, in one system. Online store, point of sale, inventory, manufacturing, CRM and accounting for makers and small manufacturers.

Eternity Accountants: Start from £7.50 per month. We offer a fully inclusive fixed-fee package designed to cover all of your accountancy needs.

PewTranslate Language Lookup is a free, no-account browser tool for churches and community teams exploring local language needs. Enter a US ZIP code or select a state and county to see American Community Survey estimates of languages spoken at home, including English proficiency and margins of error. The lookup uses 2020–2024 ACS five-year data for people aged five and older. ZIP searches use Census ZIP Code Tabulation Areas, which are statistical areas and do not exactly match postal delivery boundaries. Use the results to prepare questions for local conversations, compare possible language priorities, and plan a small translation trial. Area estimates cannot tell you who attends a particular church, which language someone prefers for worship, or whether an individual needs translation. The lookup and explanatory guides are available now; PewTranslate’s broader translation service remains prelaunch, with accounts closed. No AI translation is performed by this lookup.

MakeInterview builds practical interview-preparation resources for job seekers. Available now: free English interview and STAR guides, a synthetic sample feedback report, and Answer Cut Lab, an MIT-licensed offline answer editor. Download the editor from https://github.com/szj2ys/interview-answer-cut-lab, extract the ZIP and open index.html. It keeps the original beside a shorter edit, parks selected details for follow-ups, and saves/reopens practice files without uploads or AI. Live voice interviews are currently paused and checkout is closed. Examples are fictional; no hiring outcome is promised.

Pic2SVG is a hosted image-to-vector tool for designers, makers and developers who need editable paths from existing artwork. Upload a logo, drawing or image, preview the trace, and download an SVG to inspect in a vector editor. Presets help balance detail and path complexity. The engine uses deterministic tracing; it does not generate a replacement image from a text prompt. A useful starting workflow is a clear logo or flat illustration: trace it, inspect small islands and letter shapes, and remove unwanted background paths before preparing a cut file. Transparency becomes a white background shape, and lettering becomes outlines. A traced file still needs checking for the intended cutter or application; it is not a tested machine toolpath. Tracing, previews and SVG downloads are free without an account for personal, noncommercial use. Starter remains personal-use; Pro covers commercial work and Advanced adds resale rights. New website accounts receive seven days of Pro without a card. Paid website plans offer PDF, EPS, AI (EPS-based) and DXF exports. Developers can also use the Node20+ MCP server or CLI for SVG tracing within a separate daily API allowance; those tools upload images to the hosted service.