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Cal.com VS thirdweb

Compare Cal.com VS thirdweb and see what are their differences

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Cal.com logo Cal.com

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

thirdweb logo thirdweb

thirdweb is an ecosystem of SDKs, dev tools, and dashboards that help teams build and manage web3 apps. Deploy custom or pre-built contracts to ETH, MATIC, AVAX, & more.
  • Cal.com Landing page
    Landing page //
    2023-10-08
  • thirdweb Landing page
    Landing page //
    2022-06-13

⛏️ Build NFTs, DAOs, marketplaces, tokens, and more. Leverage ERC721A or ERC1155, incorporate features such delayed reveal, signature mint, and token-gating. Deploy custom smart contracts seamlessly & safely. Aggregate all your contracts in an on-chain registry using Release. Leverage web3 SDKs in languages like Typescript, React, Python, and Go. Enjoy composable contract builds using Contract Extensions and thirdweb's CLI. Whether you're a web2, web3, or smart contract developer, we've built tools to simplify your workflow without having to worry about maintenance ever again.

Cal.com features and specs

  • Customizable
    Cal.com allows extensive customization to fit various branding and scheduling needs, which makes it adaptable for different types of users including businesses and individuals.
  • Open-source
    Being an open-source platform, Cal.com provides the flexibility for developers to modify and extend the software as per their specific needs, fostering a collaborative development environment.
  • Integrations
    Cal.com offers a wide range of integrations with other software tools like Google Calendar, Microsoft Outlook, and Zoom, enhancing its functionality and making it easier to fit into existing workflows.
  • User-friendly Interface
    Cal.com has an intuitive and clean interface that makes it easy for users of all technical skill levels to set up and manage their scheduling.
  • Privacy-focused
    Cal.com emphasizes data privacy, ensuring user information is handled securely, which is crucial for users who need to comply with regulations like GDPR.

Possible disadvantages of Cal.com

  • Learning Curve
    Although it is highly customizable, the plethora of options and features may result in a steeper learning curve for new users who are not familiar with such scheduling tools.
  • Limited Free Version
    The free version of Cal.com comes with limitations that may not be sufficient for growing businesses or advanced users who require more comprehensive features.
  • Dependency on Integrations
    Cal.com's effectiveness heavily depends on its integrations. Without these integrations, some users might find the tool less useful or incomplete, especially if their primary tools are not supported.
  • Support
    While open-source has many benefits, it may also mean that immediate, personalized support could be limited compared to fully commercial solutions. This might pose a challenge for users needing quick resolutions.
  • Performance
    As an open-source platform, the performance might vary depending on how it is hosted and managed. Suboptimal configurations could lead to slower performance or downtimes.

thirdweb features and specs

  • Pre-Built Contract Templates
  • Web3 SDK
  • Release
  • Deploy
  • Auth

Cal.com videos

+ Add

What can you do with Cal? | Cal.com Version 1.1 Launch | 10 new languages

More videos:

  • Review - Cal.com Version 1.0 Launch Event

thirdweb videos

+ Add

How to Get Started with Web 3.0 | thirdweb review

More videos:

  • Review - Thirdweb in 2 mins
  • Review - Deep Dive into Thirdweb with Pratham and Madhavan

Category Popularity

0-100% (relative to Cal.com and thirdweb)

Cal.com

thirdweb

Productivity
89 89%
Productivity
11% 11
Crypto
0 0%
Crypto
100% 100
Appointments and Scheduling
100 100%
Appointments and Scheduling
0% 0
Developer Tools
0 0%
Developer Tools
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Cal.com and thirdweb

Cal.com Reviews

I've poked around a while ago at some Calendly alternatives (specifically was lo... | Hacker News
I tried using https://cal.com for a bit but ended up just switching over to https://zcal.co and it has been great so far. All these other scheduling tools end up trying to do too much and always seem to end up a bit clunky and charge absurd amounts for it
Source: news.ycombinator.com

thirdweb Reviews

We have no reviews of thirdweb yet.
Be the first one to post

Social recommendations and mentions

Based on our record, Cal.com should be more popular than thirdweb. It has been mentiond 56 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Cal.com mentions (56)

  • 5 Side Project Ideas for Developers to Monetize as Micro-SaaS in 2025
    Take Cal.com (https://cal.com/), formerly known as Calendso. It started as an open source alternative to Calendly which offers a free, self-hostable version for users. - Source: dev.to / 2 months ago
  • Using Clerk SSO to access Google Calendar and other service data
    BookMate is an open-source, publicly accessible, lightweight clone of popular booking services like cal.com or Calendly. - Source: dev.to / 5 months ago
  • My Journey into Open Source: First Contributions and Lessons Learned
    Then, I came across Cal.com, a fantastic open-source project for scheduling meetings and managing tasks (super useful for productivity!). I knew the basics of Git but wasn’t quite there with forking, merging branches, and all the intricate Git processes. After some YouTube tutorials, I started to get the hang of things. 😅. - Source: dev.to / 7 months ago
  • Start your own (side) business with open-source in mind
    Cal.com is an open-source event-juggling scheduler for everyone, and is free for individuals. - Source: dev.to / about 1 year ago
  • Fellow HSP entrepreneurs, how do you manage your energy and stress?
    I force clients who want to talk to me to book a call. I use cal.com (free) and my Google Calendar (which its linked to) only allows calls on specific days/times. I have a few "Call Blocks" where they can book. That let's me do calls in a small section of my week, with ample downtime to recover the rest of the week. I'm still learning how many calls a day I can handle. Currently anything more than 2 is too much. Source: over 1 year ago
View more

thirdweb mentions (30)

  • Decentralized category with challenges from OP Guild, Avalanche, Thirdweb, and Arcadia
    Winners will be selected by panels of experts supported by their respective teams: Paul Gadi (OP Guild and Arcadia), Andrew Cooper (Avalanche), and Juan Rivera Perez (Thirdweb). - Source: dev.to / 9 months ago
  • Burn To Earn: What is The Secret Formula?
    The burn process is fully on-chain and performed by the Burn To Earn smart contract. This simple contract has been audited by Thirdweb and will be made public later on. - Source: dev.to / 11 months ago
  • DC Bat Cowls with Amplify Gen 2 Fullstack Typescript
    I also added a Web3 wallet from ThirdWeb so users in the future will be able to connect their Bat Cowls to the application. Great integration and has the ability to specify wallets and restrict usage to particular blockchains. - Source: dev.to / 12 months ago
  • How to Register a Smart Contract to Mode SFS with Thirdweb
    Thirdweb is a web3 platform that provides developers with tools to build, deploy, launch, and manage their applications and games. Some of these tools include pre-built smart contracts, SDKs, and APIs. - Source: dev.to / about 1 year ago
  • Dubbl3bee airdrop - Thirdweb smart contract security vulnerability mitigation
    Last year (December 2022) I released an animated hoverboard “Hovver Industries Preview” airdrop for my avatar holders. This airdrop was built using a thirdweb.com smart contract (ERC1155) which contains the open-source library in question. Source: over 1 year ago
View more

What are some alternatives?

When comparing Cal.com and thirdweb, you can also consider the following products

Calendly - Say goodbye to phone and email tag for finding the perfect meeting time with Calendly. It's 100% free, super easy to use and you'll love our customer service.

Original - Original API empowers mobile, desktop and browser Apps to create, sell and transfer NFTs to millions of users securely and without any frictions.

TidyCal - Optimize your schedule with custom booking pages and calendar integrations

Ramper - Ramper is a free web3 SDK for DApps to onboard users quickly.

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

Fondu - Open source free ICO smart-contract builder

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