Inverters
From energypedia
Power inverters are producing alternating current (AC) from direct current (DC). They often include an MPP Tracker and other functions (monitoring, communication with BMS etc.). [1]
Choosing an Inverter
GoodWe - good price, offers also asymetric inverters, not the best support (according to various facebook group posts)
RCT - top quality, offers asymetric inverters. High price
Victron - 1-phase inverters. Very reliable, well documented. A bit expensive.
Building your own inverter - see below
Designing an Inverter
This project is working on an open source design of an inverter for a roof-top home PV system: https://github.com/transistorgrab/OSSI