Top 7 Java Whatsapp Projects

Cobalt

2 570 4.3 Java

Standalone unofficial fully-featured Whatsapp Web and Mobile API for Java and Kotlin (by Auties00)
watomatic

18 408 2.9 Java

Auto reply app helping you move away from less private messengers like WhatsApp and Facebook Messenger
WorkOS

workos.com
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The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
StatusStories

0 340 0.0 Java

Status Stories = Snapchat stories, Instagram stories, Whatsapp Statuses, Facebook Messenger Stories.
WhatsappWebToGo

23 259 1.3 Java

[android] WhatsApp Web client for your phone/tablet with media support
openinwa

2 77 0.0 Java

Create chat in WhatsApp without saving number to your phonebook

Project mention: Apple says it'll remove iMessage and FaceTime in UK rather than break encryption | news.ycombinator.com | 2023-07-20

I use an app called "Open In WhatsApp" which lets you paste / write a phone number and it will open a conversation with that number (by using android intents). You can also share contacts from the Phone app to this App.
https://github.com/SubhamTyagi/openinwa (I recommend downloading from f-droid)
WhatsKiller

2 2 2.9 Java

A simple application to force stop the WhatsApp in order to stay offline even you have a internet connection.
diarist

1 1 0.0 Java

Journaling via Whatsapp
InfluxDB

www.influxdata.com
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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.

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020). The latest post mention was on 2023-07-20.