
HackerRank
Codility
LeetCode
HackerEarth
Coderbyte
DevSkiller
iMocha
CodeSignal is the leading assessment platform for technical hiring.

Twilio
Plivo
MessageBird
Nexmo
smooch
Gupshup.io
SendBird
Add scalable, fully customizable chat to your platform in minutes

Which is more popular?
TalkJS might be a bit more popular than CodeSignal. We know about 37 links to it since March 2021 and only 27 links to CodeSignal.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | codesignal.dev | talkjs.com |
| Pricing | — | |
| Platforms | — | |
| Company | — | Startup from The Netherlands · 10 - 19 employees |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of CodeSignal yet.
TalkJS provides chat APIs and SDKs for private, group, and AI-ready messaging across web and mobile platforms. Serves 130M+ monthly messages in 90+ countries with pre-built customizable UI components and Data APIs for custom implementations.
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 TalkJS yet.
Walkthroughs and reviews on video.
CodeSignal Talent Stories: Marcus Currie + Evernote
More videos
No TalkJS videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing CodeSignal and TalkJS.
TalkJS's answer:
You can use TalkJS' pre-built, fully customizable chat UIs directly with any of the following frameworks, or when using no framework at all:
If you want to use your own custom UI built from scratch, you can use any of the Data APIs, REST API, and webhooks for real-time chat data:
TalkJS's answer:
TalkJS' customers include:
Share your experience with using CodeSignal and TalkJS. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


CodeSignal is a technical interview and assessment solution that helps organizations identify quality candidates quickly. Our platform allows recruiters and hiring managers to design consistent and well-researched...
What are LeetCode and LeetCode alternatives good for?LeetCode💡Interested in leveling up your career? Apply to the Formation Fellowship...
CodeSignal is renowned for its standardized coding assessments and a robust IDE. It's an excellent platform for interview preparation and improving coding skills through timed challenges.
We have no reviews of TalkJS yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Mention tools like Slack, Zoom, GitHub Highlight remote work experience or team collaboration Link to your portfolio and GitHub Prepare for video interviews and live coding sessions (HackerRank, CodeSignal, etc.). - Source: dev.to / about 1 year ago
When I started, I programmed many different things in different languages. Then, I found a job as a Junior Java Developer and solved tasks on CodeSignal every day. - Source: dev.to / over 1 year ago
Platforms like HackerRank and CodeSignal host challenges that not only hone your skills but also can put you on the radar of tech companies looking for talent. - Source: dev.to / over 2 years ago
TalkJS has carved out a niche in the chat API space by focusing on simplicity. Its ready-to-use UI and straightforward setup make it appealing for teams that want to add in-app messaging without sinking months into development. - Source: dev.to / about 1 year ago
TalkJS is a chat API designed to help developers quickly add messaging features to web and mobile apps using a prebuilt UI and built-in notifications. It's tailored for platforms like marketplaces, education, hiring, and virtual events... - Source: dev.to / about 1 year ago
My company, https://talkjs.com, is in the same market as Cord was. We let you put a full-featured chat UI inside your app; you control all the details and we handle the realtime infrastructure and scaling up. At the time we were rather... - Source: Hacker News / over 1 year ago
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Practice and level up your development skills and prepare for technical interviews.
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