Top 9 Open-Source Alternatives to Opta

Product categories

AI APIs Appointments and Scheduling Blockchain Calendar And Scheduling Cloud Cloud Computing Crypto Crypto Marketplace Cryptocurrencies Cryptocurrency Developer Tools

Summary

The top open-source alternatives to Opta are Cal.com, Lobe, and Doppler. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Cal.com Landing Page
1

Cal.com

Cal.com (formerly Calendso) is the open source Calendly alternative.
Pricing:
- Open Source
#APIs #Open Source #Calendar And Scheduling 53 social mentions
Lobe Landing Page
2

Lobe

Visual tool for building custom deep learning models
Pricing:
- Open Source
#AI #Data Science And Machine Learning #Developer Tools 15 social mentions
Doppler Landing Page
3

Doppler

Doppler is the multi-cloud SecretOps Platform developers and security teams trust to provide secrets management at enterprise scale.
Pricing:
- Open Source
- Freemium
- Free Trial
#SecretOps #Secrets Management #Security 19 social mentions
Ethereum Name Service Landing Page
4

Ethereum Name Service

Like DNS, but for Ethereum wallet addresses
Pricing:
- Open Source
#Crypto #Web App #Crypto Marketplace 188 social mentions
Pocket Network Landing Page
5

Pocket Network

Pocket provides a trustless API Layer and developer tools, allowing easy access to any blockchain.
Pricing:
- Open Source
#APIs #Blockchain #Developer Tools 1 social mentions
Kin Landing Page
6

Kin

Kin is money for the digital world. It is used to generate value through a shared, decentralized cryptocurrency in a digital ecosystem of apps and their users.
Pricing:
- Open Source
#Money #Cryptocurrencies #Digital Money 23 social mentions
kraken.com
7

Kraken

One of the largest and oldest Bitcoin exchanges in the world, Kraken is consistently named one of the best places to buy and sell crypto online, thanks to our excellent service, low fees, versatile funding options and rigorous security standards
Pricing:
- Open Source
#Crypto #Cryptocurrency Exchange #Cryptocurrencies 178 social mentions
3commas Landing Page
8

3commas

3commas.io provides tools for cryptocurrency traders and investors.
Pricing:
- Open Source
#Cryptocurrency Trading #Cryptocurrency Investment #Cryptocurrencies 49 social mentions
Nitric Landing Page
9

Nitric

Making cloud-native and serverless dev fun and productive
Pricing:
- Open Source
#Cloud #Serverless #Tech 13 social mentions