👤 OpenIMSDK | ⭐ +3,033 stars OpenIM：由前微信技术专家打造的基于 Go 实现的即时通讯（IM）项目，从服务端到客户端SDK开源即时通讯（IM）整体解决方案，可以轻松替代第三方IM云服务，打造具备聊天、社交功能的app。
👤 microsoft | ⭐ +5,557 stars 10 Weeks, 20 Lessons, Data Science for All!
👤 notifirehq | ⭐ +1,855 stars 💌 产品的开源通知基础设施。轻松创建通知中心，多渠道向客户发送消息 | Notification Infrastructure
👤 Stefan Smiljkovic | 👍 +20 reactions People sometimes wrongly use the terms web scraping and web crawling synonymously. Although they’re closely related, they’re different actions that need proper delineation — at least, so you can know which one is ideal for your needs at a certain point in time. And understand what the differences are.
🙌 Wrap Up! That was all for this week.
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