1. Network TestingThis is a small collection of GPLv3-licensed tools to assist an intrepid researcher in testing the performance of networks, wired or wireless.
2. SanoidPolicy-driven snapshot management and replication tools. Using ZFS for underlying next-gen storage. (Btrfs support plans are shelved unless and until btrfs becomes reliable.) Primarily intended for Linux, but BSD use is supported and reasonably frequently tested.
3. ioztatioztat is a storage load analysis tool for OpenZFS. It provides iostat-like statistics at an individual dataset/zvol level.