Sym Alternatives & Competitors

Cal.com (formerly Calendso) is the open source Calendly alternative.

Key Cal.com features:

Customizable Open-source Integrations User-friendly Interface

Open Source

A practical guide to interviewing customers.

Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.

Key Flagsmith features:

Feature Flags Remote Config A/B/X Testing & Optimization Organization Management

Try for free Open Source freemium

Simplifying cloud hosting. Deploy an SSD cloud server in 55 seconds.

Key DigitalOcean features:

Ease of Use Cost-Effective Scalability Performance

paid $5.0 / Monthly (1 GB / 1 vCPU / 25 GB)

Power your product notifications with Segment and Hightouch.

Key Knock App features:

User-Friendly Interface Seamless Integration Comprehensive Analytics Time-Saving Automation

Opta is a new kind of Infrastructure-As-Code framework designed for fast moving startups.

Key Opta features:

Comprehensive Data Real-Time Updates Integration Capabilities Customizable Solutions

One-click RAG deployment for developers.

Making cloud-native and serverless dev fun and productive.

Key Nitric features:

Improved Developer Experience Multi-cloud Compatibility Serverless Architecture Built-in Security Features

Open Source

Calendar and scheduling for teams.

Key Sunsama features:

User-Friendly Interface Task and Calendar Integration Focus on Deep Work Collaboration Features

Deploy in less than 5s.

Key Codesphere features:

Ease of Use Integrated Development Environment Scalability Collaboration

A scheduling tool both the sender and the recipient will love.

Key SavvyCal features:

User-Friendly Interface Calendar Integrations Customization Options Time Zone Detection

freemium $12.0 / Monthly (The Basic Plan)

Optimize your schedule with custom booking pages and calendar integrations.

Key TidyCal features:

Affordability User-Friendly Interface Integration Capabilities Customizable Booking Pages

freemium $29.0 / One-off ($29 one-time paymnet)

GitHub for research and data science.

Key Amie features:

User-Friendly Interface Comprehensive Feature Set Integration Capabilities Cross-Platform Availability

Build, deploy and host your static site or app with a drag and drop interface and automatic delpoys from GitHub or Bitbucket.

Key Netlify features:

Deployment Speed Built-in CDN Serverless Functions Automated Builds