Who should use 10ten (formerly Rikaichamp)?

10ten (formerly Rikaichamp) is a consumer product built for japanese language learners.

Does 10ten (formerly Rikaichamp) have a free plan?

Yes — there is a free tier, with paid plans for advanced use.

What platforms does 10ten (formerly Rikaichamp) run on?

10ten (formerly Rikaichamp) runs on the web, iOS, and embeddable surfaces.

Is 10ten (formerly Rikaichamp) still active?

The GitHub repository shows 166 commits in the last 90 days.

What are alternatives to 10ten (formerly Rikaichamp)?

Similar projects tracked by PulseGate include Learn Awadhi. Speak Awadhi. St, Mindpop, and PianoFlow Studio.

Who develops 10ten (formerly Rikaichamp)?

10ten (formerly Rikaichamp) is developed by Birchill, Inc., based in the United States.

When did 10ten (formerly Rikaichamp) launch?

10ten (formerly Rikaichamp) first shipped in 2010.

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10ten (formerly Rikaichamp)

Name: 10ten (formerly Rikaichamp)
Author: Birchill, Inc.

10ten.lifeEducation & learning🇺🇸

10ten Japanese Reader is a browser extension and mobile app that enables users to instantly look up Japanese words and kanji while reading online. It provides definitions, furigana, and reading assistance, making it easier for learners to understand Japanese text.

FreemiumGPL-3.0WebiOSEmbeddable

Visit 10ten.life

742stars

65forks

6features

2010since

Overview

6 features

10ten (formerly Rikaichamp) sits in PulseGate's Education & learning category. It helps learners read and understand Japanese text by providing instant translations and definitions. It is built as a consumer product for japanese language learners. A free plan is available. It runs on the web, iOS, and embeddable surfaces.

Behind 10ten (formerly Rikaichamp) is Birchill, Inc., based in the United States, and it first shipped in 2010. The project is developed in the open on GitHub with 742 stars and 166 commits in the last 90 days. Among its 6 catalogued features are japanese text lookup, instant dictionary, and furigana display.

Japanese text lookup
Instant dictionary
Furigana display
Browser extension
Word definitions
Reading assistance

Built with & integrations

Framework

Astro

Hosting

AWS

Runs on

BrowseriOSEmbeddable

Detected from

AWS: x-amz-cf-id header · x-amz-cf-pop header · via header
Astro: /_astro/ in the HTML

Trust & compliance

License

GPL-3.0

Verified signals

HTTPSFree tierGitHub · ★ 742Active maintenanceStore-verified publisher

Indexing history

What PulseGate has recorded for this listing

Indexed25 Jun · 16:01 UTC
Listing verified against its public source
Source: PulseGate · Open

Frequently asked questions about 10ten (formerly Rikaichamp)

What is 10ten (formerly Rikaichamp)?: 10ten (formerly Rikaichamp) helps learners read and understand Japanese text by providing instant translations and definitions. It is catalogued under Education & learning on PulseGate.
Who should use 10ten (formerly Rikaichamp)?: 10ten (formerly Rikaichamp) is a consumer product built for japanese language learners.
Does 10ten (formerly Rikaichamp) have a free plan?: Yes — there is a free tier, with paid plans for advanced use.
What platforms does 10ten (formerly Rikaichamp) run on?: 10ten (formerly Rikaichamp) runs on the web, iOS, and embeddable surfaces.
Is 10ten (formerly Rikaichamp) still active?: The GitHub repository shows 166 commits in the last 90 days.
What are alternatives to 10ten (formerly Rikaichamp)?: Similar projects tracked by PulseGate include Learn Awadhi. Speak Awadhi. St, Mindpop, and PianoFlow Studio.Learn Awadhi. Speak Awadhi. St Mindpop PianoFlow Studio
Who develops 10ten (formerly Rikaichamp)?: 10ten (formerly Rikaichamp) is developed by Birchill, Inc., based in the United States.
When did 10ten (formerly Rikaichamp) launch?: 10ten (formerly Rikaichamp) first shipped in 2010.

At a glance

Platforms: Mobile · Web
Languages: Japanese
Open source: Yes · ★ 742
License: GPL-3.0
First seen: 25 Jun 2026
Built for: Japanese language learners
Model: B2C
Solves: Helps learners read and understand Japanese text by providing instant translations and definitions.

Registered as

GitHub: birchill/10ten-ja-reader
App Store: 1573540634
Firefox Add-ons: 10ten-ja-reader

Developer

🇺🇸Birchill, Inc.

Community-driven

GitHub

Open source

View on GitHub

Stars: 742
Forks: 65
Open issues: 114
Last commit: 25 Jun 2026
Commits 90d: 166
Contributors: 31
Authorship: Community-driven
Default branch: main
Latest release: v1.27.2 · 8 May 2026

Live coverage

Identity confidence: Medium · 81.4
Indexed: 25 Jun 2026
Lifecycle: Unverified
First seen: Jun 2026
Last seen: 25 Jun 2026

Identity audit (11)

Slug: 10ten-japanese-reader-10ten-life
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 25 Jun 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Taken from the project's own store listing.
Languages from: Detected by a language model, checked against the page's own declaration.
Canonical URL: https://10ten.life/en

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