
Kissflow
Pipefy
ifttt
Apache Airflow
Make.com
Microsoft Power Automate
Tallyfy
Create beautiful rich process documents in a simple to follow checklist format. Fast, free and incredibly simple to use.

Requestly
modheader
Header Editor
RequestHeaders.com
VibeHeader
HTTP Header Live
Modify Header Value (HTTP Headers)
A local-first ModHeader alternative: rewrite HTTP request & response headers via Chrome's native declarativeNetRequest. No backend, no account, no telemetry.

Which is more popular?
Based on our record, Process Street seems to be more popular. It has been mentioned 7 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | process.st | headerflex.app |
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What each product offers, as listed by its team.


Possible disadvantages
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 HeaderFlex.app yet.
Walkthroughs and reviews on video.
Process Street: Full Review (2019)
More videos
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Process Street and HeaderFlex.app. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


The best feature of Process Street is its checklist-based interface, and the capacity to build and automate workflows with ease. The limitations could be the absence of advanced project management tools. However, it...
Process Street is a versatile workflow and process management platform that helps organizations create, optimize, and automate their operational procedures. It allows businesses to document their workflows as...
Process Street offers a friendly spreadsheet-like interface where you can quickly build workflows. Workflow instances in the system are referred to as workflow runs. Ease of use is the key selling point of Process...
We have no reviews of HeaderFlex.app yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


The only thing I found is process.st but it’s a paid service. Source: over 3 years ago
So far I am working on the idea of workflow saas app, something like notion + process.st, but much simpler to use. I haven't done any wireframes or design yet. I am just at initial stage of exploring this area. Source: over 3 years ago
I'm using process street. It can trigger different workflows using links + having a conditional workflow. Source: about 4 years ago
Tracking HeaderFlex.app since Aug 2026.
When comparing Process Street and HeaderFlex.app, you can also consider the following products.

Kissflow is a workflow tool & business process workflow management software to automate your workflow process. Rated #1 cloud workflow software in Google Apps Marketplace.
Compare Kissflow to Process Street or HeaderFlex.app:

A Powerful API Mocking and Testing Tool
Compare Requestly to Process Street or HeaderFlex.app:

Pipefy is a process management software that empowers anyone to create and automate efficient workflows on their own without code.
Compare Pipefy to Process Street or HeaderFlex.app:
Free browser extension to modify HTTP request and response headers. No sign-up. Works on Chrome, Firefox, and Edge.
Compare modheader to Process Street or HeaderFlex.app:

IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
Compare ifttt to Process Street or HeaderFlex.app:
Add custom HTTP request headers to any site. Set Authorization tokens, override Content-Type, inject debug headers per URL pattern. declarativeNetRequest. Free: 5 rules, Pro: unlimited.
Compare Header Editor to Process Street or HeaderFlex.app: