Cal.com vs Rallly
Learn how Cal.com and Rallly differ in their key features, development activity, technology
stack and community adoption, so you can decide which of these appointment scheduling tools is best for you.
Learn how Cal.com and Rallly differ in their key features, development activity, technology stack and community adoption, so you can decide which of these appointment scheduling tools is best for you.
Cal.com
Last 30 days
Last commit
20 hours agoRepository age
6 yearsVersion
v6.2.0License
MITSelf-hosted
YesRepository
calcom/cal.diy
Rallly
Last 30 days
Last commit
12 hours agoRepository age
12 yearsLicense
AGPL-3.0Self-hosted
YesRepository
lukevella/rallly
Detailed Comparison
Cal.com appears to have several advantages over Rallly, particularly in popularity, growth and licensing. Consider your specific needs regarding popularity, growth, activity, technology, maturity, licensing and features when making your decision.
Cal.com appears to have several advantages over Rallly, particularly in popularity, growth and licensing. Consider your specific needs regarding popularity, growth, activity, technology, maturity, licensing and features when making your decision.
Community & Popularity
Cal.com significantly outpaces Rallly in community adoption with 49,650 stars compared to 5,337 stars on GitHub. This 9.3x difference suggests Cal.com has a much larger and more active community. In terms of developer contributions, Cal.com has 15,521 forks, indicating strong developer engagement.
Growth Momentum
Cal.com is growing faster, adding 809 stars in the last 30 days (+1.7%) against adding 52 stars for Rallly (+1%). Cal.com is both larger and pulling further ahead.
Development Activity
Both projects show recent activity, with Cal.com last updated 20 hours ago and Rallly 12 hours ago.
Technology Stack
Both tools share common technology foundations, being built with JavaScript, CSS, Bash, Typescript, JSX, Next.js. However, they differ in their additional technology choices: Cal.com uses PHP, NestJS.
Project Maturity
Rallly has been in development longer, starting 12 years ago, compared to Cal.com which began 6 years ago. This 6.2-year head start suggests Rallly may have more mature features and established processes.
Licensing
Cal.com uses the MIT license, which is more permissive than Rallly's AGPL-3.0 license, potentially offering greater flexibility for commercial use and integration.
Use Cases & Features
Both tools serve similar use cases in Appointment Scheduling.
Hosting & Deployment
Both Cal.com and Rallly offer self-hosting capabilities, giving you full control over your data and infrastructure.
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