CryptoLyzer is a fast and flexible server cryptographic settings analyzer library for Python with an easy-to-use command line interface with both human- and machine-readable output. It works with multiple cryptographic protocols (SSL/TLS, opportunistic TLS, SSH) and
analyzes additional security mechanisms (web security related HTTP response header fields, JA3 tag).

teler is an real-time intrusion detection and threat alert based on web log that runs in a terminal with resources that we collect and provide by the community. Requires minimal configuration. Run your web server logs through it and see what it comes up with.

SeaweedFS is a simple and highly scalable distributed file system. There are two objectives: to store billions of relatively small files, and to serve those files fast. Implements an object store with O(1) disk seek and an optional filer with a POSIX interface. Metadata can be stored in one of several RDBMSes. Speaks HTTP(S). Supports multiple access APIs, including S3, HDFS, and WebDAV. Can automatically back itself up offsite. Supports multiple URI formats, with varying degrees of niceness. Large files are chunked transparently to the user.

patchbay.pub is a free web service you can use to implement things like static site hosting, file sharing, cross-platform notifications, webhooks handling, smart home event routing, IoT reporting, job queues, chat systems, bots, etc, all completely cgi-bin and requiring no account creation or authentication. Most implementations need nothing but curl and simple bash snippets.

Github repo for a basic server: https://github.com/patchbay-pub/patchbay-simple-server

Github repo for CLI tools: https://github.com/patchbay-pub/patchbay

A simple forward proxy server for processing API calls to servers that don't send CORS headers or support HTTPS.