The best alternatives to Free dev stickers are Pusher, Courier, and Push Notification Preview. If these 3 options don't work for you, we've listed a few more alternatives below.
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Agree.com— Free e-signature for everyone with invoicing and payments!
Pusher empowers developers with APIs to create collaboration & communication features in their web and mobile apps.Our APIs and libraries help you add interactive features in minutes. Service updates @PusherStatus
Built for developers, Courier is the fastest way to add multi-channel product notifications to your web or mobile app. Make developers' lives easier with a suite of features like automations, preferences management, audit logs, and white-labeling.
OneSignal is the market-leading customer messaging and engagement solution, offering mobile and web push notifications, in-app messaging, SMS, and email. Our powerful omnichannel platform enables 1M+ businesses to deliver over 10B+ messages daily. Powered by superior architecture, OneSignal is designed to scale with your business and deliver messages more quickly and reliably than the competition.