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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
This is nice. I wrote something like this a long time ago and actually used it to run my company for 1.5 years before moving to a web based system. The current code is over here https://github.com/hamon-in/invoice. These were my "features"
1. I used sqlite to handle everything including configuration
HTML to PDF is orders of magnitude slower than more direct PDF manipulation libraries in my experience, although I haven't used this particular library ( https://github.com/signintech/gopdf ) that this project uses so I can't say for sure.
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