CryptoLyzer is a multiprotocol cryptographic settings analyzer with SSL/TLS, SSH, and HTTP header analysis ability.

...SSL test suite aiming to support all the ciphersuites defined in any RFC

Webrecorder provides a suite of open source tools and packages to capture interactive websites and replay them at a later time as accurately as possible.

Cribl's purpose-built Observability Pipeline gives you the power to collect, reduce, transform, and route machine data from anywhere, to anywhere - from a single interface.

Middleware that can connect log sources and destinations, translating between formats (like syslog, Elastic/filebeat, Splunk)

Vendor blurb:

OpenSearch is a community-driven, open source search and analytics suite derived from Apache 2.0 licensed Elasticsearch 7.10.2 & Kibana 7.10.2. It consists of a search engine daemon, OpenSearch, and a visualization and user interface, OpenSearch Dashboards. OpenSearch enables people to easily ingest, secure, search, aggregate, view, and analyze data.

MobyCAIRO stands for Computer-Assisted Image ROtation. It is designed to assist a user in the common, tedious tasks of rotating and cropping images.

A maintained fork of the last public version of the Mozilla Send code (backend for the file sharing system that was included in some versions of Firefox until there was too much of an abuse problem).

This application provides display and control of Android devices connected on USB (or over TCP/IP). It does not require any root access. It works on GNU/Linux, Windows and macOS.