Feedly-Backup VS TheHive

If you are not looking to curate your own yourself you can always import other OPML files (example) or export out if you want to use something else.

I had a quick test with the hive looks pretty nice. https://thehive-project.org/

Also look into hive. Lots of people are moving that direction. https://thehive-project.org/

TheHive is a versatile open-source solution for streamlining the investigation and prompt handling of security incidents. Seamlessly integrates with MISP to facilitate the transition from event analysis to investigation initiation, enabling efficient synchronization and export for collaborative threat detection and response. Moreover, coupling TheHive with Cortex empowers security professionals to efficiently analyze up to hundreds of observables. Timely-Lychee-5204 describes it as, "an open-source and scalable Security Incident Response Platform designed for handling incidents efficiently."

TheHive/Cortex - https://thehive-project.org/

i recommend TheHive for creating incident tickets. it is opensource but there is paid one offered by StrangeBee

Also unrelated to TheHive project, a security incident response tool.

https://thehive-project.org/

I haven't done any IR myself, but I was thinking something like TheHive Project (open source) or similar proprietary IR toolsets would be common. But over on r/blueteamsec I just saw this post, where people claimed to be using: