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1. MariaDB
2. Percona Xtra DB (uses Galera cluster)
3. MHA provided by SkySql
4. Mysql Active/Active setup with connector specific configuration to read from slaves in case of master goes down

Results

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MariaDB

• It does not support any DB HA out of the box, we can use Galera with it but the same can be used with Mysql directly
  h3 Percona Xtra DB
• It has the following limitations
  http://www.percona.com/doc/percona-xtradb-cluster/limitation.html^{Image Added}