Skip to main content

IPRDB 知嘟嘟

Global patent search covering 150M+ patents from 115 countries.

Visit website

About IPRDB 知嘟嘟

Global patent search covering 150M+ patents from 115 countries.

Similar sites

Rivulet

Clean personal finance tracker built with Go and Svelte; self-hostable.

Stripe

The standard for online payments and subscriptions; pay per transaction, no monthly fee on the base plan.

Lemon Squeezy

Merchant of record for selling software and digital products, handles global tax for you.

Paddle

Merchant-of-record billing for SaaS companies with tax and compliance included.

Shopify

The easiest way to launch an online store, with a huge app ecosystem.

Gumroad

Sell digital products, courses and memberships with almost no setup; fee per sale.