PDFMonkey

二维码生成与解码神器

Custom RSS feeds for releases of your favorite software. Have the latest versions of your programming languages, libraries, or loved tools in one feed. (The first 3 feeds are free) ⬆️ Back to Top

Generate UUID v1, UUID v4, UUID v7, GUID, Nil UUIDs, CUID v1/v2, NanoID, and ULID instantly with enterprise-grade

Two-way Google Calendar sync. Free tier: 2 accounts, unlimited events.

Create online surveys. Analyze the results online. The free plan allows only 10 questions and 100 responses per survey.

Real-time PubSubHubbub compliant feeds, export, analytics. Free with less customization

Get sunrise and sunset times for a given longitude and latitude.

An API for cars to locate, get fuel tank, battery levels, odometer, unlock/lock doors, etc.