Algolia offers a hosted web search product delivering real-time results.
Envoy is an open-source edge and service proxy, designed for cloud-native applications.
Google Analytics is a free web analytics service that tracks and reports website traffic.
Medium is an online publishing platform.
Open Graph is a protocol that is used to integrate any web page into the social graph.
OpenResty is a web platform based on nginx which can run Lua scripts using its LuaJIT engine.
PayPal is an online payments system that supports online money transfers and serves as an electronic alternative to traditional paper methods like checks and money orders.