排行榜与检索

Supports real-time sharing of audio, video, slides (with whiteboard controls), chat, and the screen. Instructors can engage remote students with polling, emojis, and breakout rooms.

Easy way for everyone in your company to ask questions and learn from data.

Distributed and RESTful search engine.

Local hosted web application that allows you to perform various operations on PDF files, such as merging, splitting, file conversions and OCR.

Build admin panels, CRUD apps and workflows. Build everything you need, 10x faster.

Distributed, column-oriented, real-time analytics data store.

Media server for comics/mangas/BDs with API and OPDS support, a modern web interface for exploring your libraries, as well as a web reader.

Workspace server and cloud IDE.

Powerful and easy-to-use website building tool (documentation in Chinese).

IoT Platform - Device management, data collection, processing and visualization.

WebRTC compatible Selective Forwarding Unit (SFU) that allows for multiuser video communication.

IoT Asset management, Flow Rules and WHEN-THEN rules, Data visualization, Edge Gateway.

Developer & translator friendly web-based localization platform enabling users to translate directly in the app they develop.

Factorio-like tower defense game. Build production chains to gather more resources, and build complex facilities.

Google Reader inspired RSS reader.

Host your own Firefox accounts server.

Ticket reservation system.

Laboratory information system (LIS/LIMS) for clinical, public health, environmental and vector surveillance labs. FHIR-native, with analyzer integration (ASTM/HL7), quality control and national-scale reporting.

Git platform powered with easy installation, high extensibility & GitHub API compatibility (alternative to GitHub).

Fast routing library and server using OpenStreetMap.

Distributed, RESTful search and analytics engine.

Route service with directions, isochrones, time-distance matrix, route optimization, etc.

Proofread more than 20 languages. It finds many errors that a simple spell checker cannot detect.

Enterprise search platform featuring full-text search, hit highlighting, faceted search, real-time indexing, dynamic clustering, and rich document (e.g., Word, PDF) handling.