LOGBack
AWS CloudTrail
Logmatic
Serilog
Elk
LogTailApp
NLog
Logary
MarkLogic Server
Firestore
Datomic
Valentina Server
Datahike
Matisse
Oracle TimesTen
SAP MaxDB
LOGBackAWS CloudTrail - AWS CloudTrail is a web service that records AWS API calls for your account and delivers log files to you.
Firestore - Easily develop rich applications using a fully managed, scalable, and serverless document database.
Logmatic - Logmatic is a log centralization, analytics & visualization platform to improve software & business performance.
Datomic - The fully transactional, cloud-ready, distributed database
Serilog - Backend Development and Utilities
Valentina Server - Valentina Server is 3 in 1: Valentina DB Server / SQLite Server / Report Server