Klaviyo
Klaviyo is the AI-first B2C CRM platform that helps you grow by integrating marketing, analytics, and customer service in one solution. Powered by unified data and built-in AI, it's faster and easier than ever to create personalized, lasting customer relationships.
Klaviyo unifies your customer profiles by capturing every event, and then lets you orchestrate your email marketing, SMS marketing, push notifications, WhatsApp, and RCS campaigns in one place. Built-in AI agents plan and launch campaigns, personalize every send, answer questions, and resolve issues. With real-time attribution and insights, you'll be able to make smarter, faster decisions that drive ROI.
Trusted by more than 170,000 businesses, Klaviyo can grow your business while keeping operations simple and customer relationships strong
Learn more
UptimeRobot
UptimeRobot is a website monitoring service with a forever free plan that lets you register with just an email and monitor up to 50 websites, servers, or keywords with 5-minute intervals. Setup takes only a few clicks.
For faster checks and advanced features, paid plans offer 1-minute or 30-second intervals, along with SSL certificate, domain expiry, and heartbeat (cron job) monitoring. You can also create up to 100 status pages, customize them to match your brand, protect them with a password, and allow subscribers to receive updates.
Get notified instantly via email, SMS, voice calls, or integrations with Slack, Zapier, PagerDuty, Splunk On-Call, Telegram, Webhooks, Discord, Mattermost, Pushbullet, Microsoft Teams, Google Chat, Pushover, and more. Mobile push notifications are available through the iOS and Android apps.
Other features include maintenance windows, incident tracking with root cause analysis, tags, comments, and filters. Share account with other team members.
Learn more
OneSignal
OneSignal is the market leader in customer engagement, powering mobile push, web push, email, and in-app messages for over 1 Million developers and marketing teams.
OneSignal takes just minutes to setup, and makes it easy for you to send push notifications and messages to all your users. Access robust features including segmentation, automated messaging, intelligent delivery, A/B testing, and real-time reports.
Built for developers, OneSignal makes it easy to code in the language you know with any development environment - all with less than 10 lines of code. It's also the most flexible push provider, with integrations to top analytics providers, DMPs and CRMs, plus Zapier to connect with 1400+ apps and platforms.
OneSignal is free to send messages to an unlimited mobile subscribers and up to 10K web push subscribers. OneSignal is used by 76% of the top million sites with push notifications (source: Builtwith).
Learn more