Nexmo — APIs for SMS, voice & phone verification.
Twilio — APIs for text messaging and SMS.
Voto Mobile — Mobile phone notification and survey tool built around SMS — also uses voice recordings and IVR.
Esoko — Manage large groups of people with powerful mobile applications and useful market intelligence.
FrontlineSMS — SMS management tools that help you reach more than 3 billion people with the phone already in their pocket.
Magpi — Organization (and name of platform) for conﬁgurable, cloud-based mobile collection and communication applications.
Mobile for Development — Group within GSMA that brings together mobile operator members, the wider mobile industry and the development community to drive commercial mobile services for underserved people in emerging markets.
PicApp — App image generator.
GSMA (Groupe Spécial Mobile Alliance) — Association of mobile operators and related companies devoted to supporting the standardizing, deployment and promotion of the GSM mobile telephone system.
GSMA Intelligence — Data and analysis for the mobile industry.
GSMA Mobile Connectivity Index — Connectivity map of telecoms companies throughout the world.
GSMA Newsroom — Blog for the trade union of 800 mobile operators and 300 companies around the world.
TDH Mobile Data Collection Toolkit — Mobile data collection toolkit from Terre Des Hommes.
mPoweringHealth — Partnership of private sector, government, donors, and program implementers working to accelerate the use of mobile technology to improve the skills and performance of frontline health workers.