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Giveback projects made for local communities

What's new (Summer 2024):

- 3PO has been approved by Apple & Google! It's a speech-to-speech translator, going beyond what Google Translate currently offers.  It auto-identifies the language spoken within seconds and translate it to your language (in speech and text) in real time. No fiddling with configurations required. It just works. iOS and Android.

Special Sci-fi mode: Give one of your ear buds to your conversation partner and now you can chat using different languages discreetly.

- Evergreen Labs is now a federal-approved non-profit.

- Calmness Meter is live on iOS AppStore to help improve mental well-being.

- has hit 10,000 subscribers milestone. 🎉


This tool scans police incident reports daily from public datasets (Toronto, York, Peel, Durham, Halton, Montréal and Santa Clara county, California, USA) and email you recent incidents (e.g. car thefts) near you.

It's a free, community-giveback service made by volunteers.



To help the hearing impaired, this Apple watch app listens for important sounds (e.g. car horns) and alert them using vibrations on their wrists.

- On device analysis only
- No audio recording / network calls
- Source code is published

- Supports sirens, car horns, baby cries, smoke alarm, etc

Open-sourced. Feel free to reuse this as a starting point / templates for other projects.



3PO is a first-of-a-kind app that can auto-identify language being spoken and translate it in real-time.

No configuration is required.

Just start and talk.  With support using built-in speaker/mic, or in ear buds mode.

It also supports continuous translation for listening to translated public broadcasts using your headset.


[New!] Calmness Meter

Score your meditations using Muse Headband's EEG data.



Navigation with Video Recording and local features for Toronto such as:

- Alert you of Speed Camera ahead
- Report pot hole to Toronto311 with just one touch
- Help you choose if it's worth taking a toll route (e.g. spend $5 of toll to save 15 minutes of travel time?)


How Deep? 

Tap on map to show sea depth or land altitudes. Perfect for cruises and hiking trips.

It can also capture your travel trails in the background (optionally) to show breadcrumbs on your map.

[Data source: Google Maps Elevation API]


What's that plane flying above me?

When you hear the sound of an aircraft flying in the sky, have you ever wondered... "What type of aircraft is it? Where is it flying to?"

If yes, this app is for you. It answers that exact question.

You can scan the sky manually by pressing the Search button or let the app auto-detect flights when it hears the sound of aircrafts. It uses AI sound classification models to achieve that.

Designed with privacy protection in mind.



Google, Apple, MapQuest, HERE, OpenStreetMap, Mapbox, Azure Maps all has its own strength & weaknesses.

SuperRoute shows you routes generated by all of them on the same map so you can evaluate which one fits your needs best.


Try Something New

This tool will scan for new restaurants in your neighbourhood every day for you and send you a quick email with its rating and directions to get there.

Supports cities in Canada, US, Australia and UK.

Data is provided by Yelp API.


Travel Shopping Buddy

Allows travellers to see the price of an item (with tax) in their home currency instantly, without clicking any buttons.

[Augmented reality using your iPhone's camera]


Toll or Not

This tool allows you to easily understand how much money you need to pay and weigh it against the time savings from taking a toll route.


Lunar Calendar Event Generator

Google Calendar/Microsoft Outlook does not allow us to create recurring events based on lunar calendar (e.g. grandparents' birthdays, mid-autumn festivals)

This little web site generates an calendar import file (.ics) for your selected lunar events for the coming 60 years.

You can then import the generated .ics file into Google Calendar/Outlook /iPhone Calendar so it's easy to remember when to call/visit them on their birthdays 🎂

Privacy Policy

These tools collect data for the purpose of providing their features only.  

We do not sell data to any advertisers or data aggregation agencies.

(Last updated March 30, 2020)


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