
Faker
Mockaroo
Mimesis
ShadowTraffic
Tonic AI
Eventum is an open-source developer tool for generating realistic test data: logs, metrics, security events and transactions.

Fern
Speakeasy
APIMATIC
Conektto
RubyGems
Konfig
OpenAI
Generate SDKs and documentation that stay in sync with your API

Which is more popular?
Based on our record, liblab seems to be more popular. It has been mentioned 5 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | eventum.run | liblab.com |
| Pricing | ||
| Platforms | ||
| Company | 2026 | Startup from the United States · 2022 |
| Listed in |
In their own words, as submitted to SaaSHub.


Describe events, schedule them, and stream to ClickHouse, OpenSearch, Kafka, files or any HTTP endpoint. Eventum is used for testing pipelines and detection rules, live demos, seeding databases and load testing. Highlights: - Pipeline of three swappable stages: when events happen, what they...
liblab is an SDK generation platform that helps companies create high-quality, developer-friendly SDKs for their APIs in multiple languages. Our technology automates the process of generating, maintaining, and optimizing SDKs, ensuring compliance and best practices while saving engineering teams...
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of liblab yet.
Walkthroughs and reviews on video.
No Eventum.run videos yet. You could help us improve this page by suggesting one.
End-to-end SDK generation and publishing in your CI/CD pipeline with liblab and GitHub Actions
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Eventum.run and liblab.
Eventum.run's answer
Python (FastAPI, Pydantic, Jinja2) for the engine, CLI and REST API; React + TypeScript for the Eventum Studio web UI. Ships as a pip package and Docker image.
Eventum.run's answer
Libraries like Faker give you fake values - Eventum gives you the whole pipeline: scheduling, templating, state, and parallel delivery to ClickHouse, OpenSearch, Kafka, files or any HTTP endpoint. And it ships with Eventum Studio, a web UI where you preview and debug events before anything goes live.
Eventum.run's answer
Most data generators produce random values at a flat rate. Eventum also models behavior: traffic follows cron schedules, intervals or statistical time patterns with peaks, bursts and quiet periods, and templates persist state between events - three scopes of state plus a finite state machine mode for multi-step scenarios like user sessions.
Eventum.run's answer
Data engineers, SIEM and detection engineers, and developers who need realistic data for testing pipelines, live demos, seeding databases or load testing - teams that would otherwise write throwaway generator scripts.
Eventum.run's answer
The author works on a data analytics platform similar to Splunk, where every customer demo needs a believable case running on data that looks alive. The team generated demo data with Splunk Eventgen, but the workflow never felt convenient, so around 2023 he started building his own generator. It grew into Eventum, now used by his SIEM team and data engineers daily.
Eventum.run's answer
Internal SIEM and data engineering teams at the author's Cyber Security company
Share your experience with using Eventum.run and liblab. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking Eventum.run since Jun 2026.
After evaluating multiple SDK-as-a-service vendors, including Speakeasy, Fern and Liblab, we selected Speakeasy as our strategic partner. Speakeasy’s philosophy aligns with our mission to deliver an outstanding developer experience.... - Source: dev.to / over 1 year ago
SDKs are a powerful way to improve the developer experience of your API. They come with a cost - the amount of work needed to generate them. This is why automation is so important. With liblab you can automate the process of generating... - Source: dev.to / about 2 years ago
When it comes to generating SDKs, liblab is your friend. Liblab is a platform that generates SDKs from your OpenAPI spec, so you can use them in your app. Whether you are accessing internal APIs, or third party APIs, all you need is an... - Source: dev.to / about 2 years ago
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