1.questdb / questdb
QuestDB is a high performance, open-source, time-series database
- time-series
- low-latency
- database
- sql
- questdb
- tsdb
- +14 more
+20 stars
from 17,473 · score 3.04
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2.killbill / killbill
Open-Source Subscription Billing & Payments Platform
- killbill
- billing
- payments
- subscriptions
+15 stars
from 5,820 · score 2.77
3.knowm / XChange
XChange is a Java library providing a streamlined API for interacting with 60+ Bitcoin and Altcoin exchanges providing a consistent interface for trading and accessing market data.
+4 stars
from 4,093 · score 1.61
4.JSQLParser / JSqlParser
JSqlParser parses an SQL statement and translate it into a hierarchy of Java classes. The generated hierarchy can be navigated using the Visitor Pattern
- sql
- java
- parser
- ast
- postgresql
- mysql
- +7 more
+3 stars
from 5,967 · score 1.39
5.OpenIdentityPlatform / OpenAM
OpenAM is an open-source access management solution for identity authentication, authorization, and federation. It provides single sign-on, adaptive authentication, and centralized policy control, enabling secure access to web, mobile, and cloud applications
- openam
- sso
- oauth
- saml
- aaa
- authentication
- +14 more
+3 stars
from 899 · score 1.39
6.ta4j / ta4j
A Java library for technical analysis.
+2 stars
from 2,522 · score 1.10