WEB.DE Mail & Cloud

A German mail manager

TypeApp

Multi-service-compatible mail client

Cleanfox

Get rid of spam at the drop of a hat

Tutanota

Send end-to-end encrypted emails

Petal Mail

Huawei's e-mail application

Boxer

An alternative to Gmail with many tools

Yahoo Mail Go

The lightweight version of Yahoo's email app

VK Mail

The email client from VK

myMail

Unified email account manager

Solo Notifier

Email notifier with support for calls and messages

ProtonMail

The CERN's safe email service

Yandex.Mail

Email service belonging to the Russian multinational

Libero Mail

Email app compatible with several providers

QQmail

Email manager

Samsung Email

The email client optimized for Samsung smartphones

GMX Mail & Cloud

Official GMX email service app

Tools for WhatsApp

A toolbox with resources to enhance WhatsApp

WhatsApp Spy

Spy on your WhatsApp contacts to know when they've been online

Yansa

Messenger app tracker

WhatsDog

Monitor your contacts' WhatsApp status

WaRadar

The app for discovering if your WhatsApp contacts are online

WAPunch

Add new features to WhatsApp

Whats Tracker: Who Viewed My Profile?

App to spy on who visits your WhatsApp profile

WT Hub

Set of additional tools for WhatsApp

Labalabi for WhatsApp

Send bulk messages on WhatsApp

WaStat

How much time do you spend hooked up to WhatsApp?

Status Saver

Download the statuses of your favoriate chat and messaging app

Whats Tracker

Check who's viewed your WhatsApp profile

Whats Web

Backup all your files received by WhatsApp

Whats Dual

Sync one of more WhatsApp accounts on one or more devices

WhatsBot

Schedule automatic replies with this WhatsApp bot