Top 11 data-generator Open-Source Projects

Bogus

27 8,261 8.3 C#

:card_index: A simple fake data generator for C#, F#, and VB.NET. Based on and ported from the famed faker.js.

Project mention: Bogus custom Dataset | dev.to | 2024-01-06

Bogus NuGet package is fake data generator which can be helpful for populating tables in a database and testing purposes. If a database is not used and Bogus populates list of data each time an application runs, the data is random, never the same. Also, the random data generated by Bogus may not meet a developer’s requirements.

casual

4 3,022 0.0 JavaScript

Fake data generator for javascript
InfluxDB

www.influxdata.com sponsored

Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
generatedata

20 2,174 7.4 TypeScript

A powerful, feature-rich, random test data generator.

Project mention: Generate any sort of random data in any format | news.ycombinator.com | 2023-12-05

faker

3 1,014 7.4 Elixir

Faker is a pure Elixir library for generating fake data. (by elixirs)

Project mention: Test Data Libraries for Elixir | dev.to | 2023-05-02

Faker generates sample data that looks realistic but is fake. So, instead of using a sequence like those provided by ExMachina or ExZample, we can use Faker to generate false but genuine-looking data:

instancio

7 744 9.7 Java

A library that creates fully populated objects for your unit tests.

Project mention: Any library you would like to recommend to others as it helps you a lot? For me, mapstruct is one of them. Hopefully I would hear some other nice libraries I never try. | /r/java | 2023-05-27

Instancio for generating test data AssertJ Awaitility Quarkus FluentJdbc: a thin wrapper around jdbc, you can use it as an alternative for JPA and I use it in Quarkus

pygraft

1 639 8.0 Python

Configurable Generation of Synthetic Schemas and Knowledge Graphs at Your Fingertips

Project mention: PyGraft: Configurable Generation of Schemas and Knowledge Graphs | news.ycombinator.com | 2023-09-13

Mockneat

13 523 0.0 Java

MockNeat - the modern faker lib.
WorkOS

workos.com sponsored

The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
Poko

2 286 9.1 Kotlin

A Kotlin compiler plugin that generates equals, hashCode, and toString for plain old Kotlin objects in public APIs.
ObjectFiller.NET

0 76 0.0 C#

The .NET ObjectFiller fills the properties of your .NET objects with random data
mockingbird

3 72 7.3 TypeScript

Mockingbird is a mock streaming data generator (by tinybirdco)

Project mention: Streaming analytics | /r/dataengineering | 2023-07-06

You could generate synthetic data to build your dashboard, either with normal Python or something like https://github.com/tinybirdco/mockingbird. Or, get some old data and have a script push it row by row into Kafka to emulate a stream.

tdk-demo

3 16 8.4 YAML

This is a collection of TDK demo projects that use different databases and options

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).