Nexmo - Nexmo is a simple two way SMS API with global reach and wholesale rates
Involve - Get behind-the-scenes access to your favorite nonprofits
MessageBird - Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.
Crypto for Charity - Donate cryptocurrencies and NFTs to charity with zero fees
Plivo - Plivo simplifies your customer engagement.
Tapes for Mac - Share screencasts fast.