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Semaphore vs Slack

A detailed comparison of Semaphore and Slack in 2026. Compare pricing plans, features, and find out which development service is right for you.

Semaphore

Fast CI/CD platform with customizable pipelines and test parallelism

Semaphore is a developer tools and infrastructure service that provides fast ci/cd platform with customizable pipelines and test parallelism. Founded in 2012 and headquartered in Novi Sad, Serbia, Semaphore offers 3 pricing plans. It offers a free tier as well as paid plans starting from $10/month. Key features include CI/CD, Parallel testing, Docker support, Custom pipelines. Semaphore is a popular choice for users looking for quality development subscriptions.

ci-cdtestingpipelinesautomation

Slack

Team messaging and collaboration platform

Slack is a productivity and collaboration service that provides team messaging and collaboration platform. Founded in 2009 and headquartered in San Francisco, California, Slack offers 3 pricing plans. It offers a free tier as well as paid plans starting from $8.75/month. Key features include Channels, Direct messages, File sharing, Huddles. Slack is a popular choice for users looking for quality productivity subscriptions.

messagingteam-chatcollaborationintegrations

Feature Comparison

Side-by-side comparison of features and capabilities

FeatureSemaphoreSlack
Starting PriceFreeFree
Plans Available33
Year Founded20122009
HeadquartersNovi Sad, SerbiaSan Francisco, California
CI/CD
Parallel testing
Docker support
Custom pipelines
Artifact storage
Channels
Direct messages
File sharing
Huddles
Workflow automation
2400+ integrations

Pricing Comparison

Compare all available plans and pricing tiers

Semaphore Pricing

Free
Free
Startup
$10/mo
Scale
$200/mo

Slack Pricing

Free
Free
Pro
$8.75/mo

$87.5/yr

Business+
$12.5/mo

$150/yr

Frequently Asked Questions

Is Semaphore or Slack better in 2026?

Both Semaphore and Slack are excellent development services. Semaphore offers CI/CD and Parallel testing, while Slack features Channels and Direct messages. The best choice depends on your specific needs and budget.

How much does Semaphore cost compared to Slack?

Semaphore starts at $10/month, while Slack starts at $8.75/month. Both offer multiple pricing tiers to fit different budgets.

Can I track both Semaphore and Slack subscriptions?

Yes! TrackMySubscriptions lets you track all your subscriptions in one place, including Semaphore and Slack. Get renewal alerts, spending analytics, and never miss a payment — 100% free.

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