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https://github.com/andymatuschak/orbit

Experimental spaced repetition platform for exploring ideas in memory augmentation and programmable attention
https://github.com/andymatuschak/orbit

memory-augmentation mnemonic-medium research-platform spaced-repetition

Last synced: 27 days ago
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Experimental spaced repetition platform for exploring ideas in memory augmentation and programmable attention

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README 

        
# Orbit



Orbit is an experimental platform for publishing and engaging with small tasks repeatedly over time. In the short term, it's focused on supporting the "[mnemonic medium](https://numinous.productions/ttft/)", a way of augmenting texts so that readers can easily remember all the key details. For an example, see [Quantum Country](https://quantum.country), a textbook on quantum computation. More abstractly, Orbit aspires to offer a more general form of spaced repetition systems like [Anki](https://apps.ankiweb.net), as part of a connected cloud service. Learn more on the [home page](https://withorbit.com).



Orbit stores a collection of tasks and manages their schedules. Tasks can be ingested from around the web, via APIs or embedded iframes, or through various services running on your local computer. You can complete scheduled tasks in desktop, mobile, and web applications. A backend service syncs user data and orchestrates notifications.



You should also understand that Orbit is (for now) first and foremost a vehicle for research. We hope that it's useful, of course, but the main goal is not implementing features or polishing loose screws. We're focused on trying to understand the scope of systems like this, and what they one day want to become.



If you’re an author interested in using Orbit in your own texts, please view [the preliminary documentation](https://docs.withorbit.com).



## Packages



This is Orbit's mono-repo, comprising many modular packages. You'll want to run `bun install` in the root to install dependencies before doing anything else. (We use [Bun](https://bun.sh) as our package manager and script runner.) From there, `bun build` will build all the packages, and `bun test` will run all the tests.



While everything is written in Typescript, components of Orbit must run in Node, web browsers, and react-native environments, which can require some care. See the table below for an overview, and see Readme files in individual package folders for details on each package.



| Package | Description | Node | Browser | react-native  | License |

| --- | --- | --- | --- | --- | --- |

| `app` | Orbit client apps (webapp, native mobile / desktop) | | ✅ | ✅ | AGPL3+ / BUSL1.1 |

| `backend` | Server components of Orbit, including API backend, notifier, logging service, etc | ✅ | | | AGPL3+ / BUSL1.1 |

| `api` | Interface definitions for Orbit's REST API | ✅ | ✅ | ✅ | APL2 |

| `api-client` | Client implementation of Orbit API | ✅ | ✅ | ✅ | APL2 |

| `core` | Core data structures and operations | ✅ | ✅ | ✅ | APL2 |

| `store-shared` | Core types and functions for Orbit's data store | ✅ | ✅ | ✅ | APL2 |

| `store-fs` | Data store implementation for on-disk file format | ✅ | | ✅ | APL2 |

| `store-web` | Data store implementation for browsers via IndexedDB | | ✅ | | APL2 |

| `sync` | Syncs Orbit data stores (e.g. to central server) | ✅ | ✅ | ✅ | APL2 |

| `ui` | Generic styles and UI components | | ✅ | ✅ | APL2 |

| `web-component` | Author-facing library for Orbit integration into external web sites | | ✅ | | APL2 |

| _Auxiliary packages:_ |

| `anki-import` | Implements Anki .apkg import | ✅ | | | APL2 |

| `docs` | Orbit's documentation site | | ✅ | | APL2 |

| `embedded-support` | Implementations shared by `app` and `web-component` | | ✅ | ✅ | APL2 |

| `note-sync` | Syncs Orbit prompts from Markdown notes | ✅ | | | APL2 |

| `sample-data` | Sample Orbit data for tests | ✅ | | | APL2 |



## Contributing



Thank you for your interest in contributing!



Orbit's just been open-sourced; we haven't yet created consistent processes and venues for discussing ongoing development plans. Those will come (hopefully) soon!



Please understand that (for now), Orbit does not aspire to be a typical open-source project, soliciting open-ended contributions and participation from a large community. Orbit is primarily a vehicle for research; its direction is determined by [Andy Matuschak](https://andymatuschak.org) and direct collaborators. We'll strive to keep the process open to input and relatively transparent. But open-source community engagement can be extremely time-consuming, and we have to keep our focus on the research.



That said, we're excited to work with serious contributors! Let's just get to know each other, ease into the relationship. If you're interested in participating, a great way to start would be by engaging with existing issues on GitHub, particularly [those marked "help wanted."](https://github.com/andymatuschak/orbit/issues?q=is%3Aopen+is%3Aissue+label%3A%22🚩+Help+wanted%22) If you're game for implementing something substantial that we've been putting off, we'll be excited to invest time into a collaboration. If you find a bug in Orbit, we'd be grateful for issues with accompanying pull requests. If you'd like to contribute substantively but you're not sure how to start, please [email Andy]([email protected]).



One more thing: as with many open-source projects, you'll need to sign a [Contributor Agreement](https://gist.github.com/andymatuschak/f8039975eabb52098745d2bfa8288ba2) to contribute to Orbit. A bot will prompt you to do this when you open your first pull request. The agreement asks you to jointly assign copyright; that is, you retain all your own rights to the contribution, but share them with us. And we pledge that your work will be released under an FSF/OSI-approved license. See [this FAQ](https://www.oracle.com/technetwork/oca-faq-405384.pdf) if you have questions (our agreement is the same as Oracle's, but with names swapped).



## License



Orbit is open-source. We use an unusual licensing strategy intended to be as permissive as possible while discouraging commercial copy-cats. Here's a summary; see the `LICENSE` files and details in each package for more:



* All libraries are provided under the permissive [Apache License 2.0](https://github.com/andymatuschak/orbit/blob/master/LICENSE-Apache-2.0).

* The Orbit client application and cloud service sources are provided under your choice of two licenses:

  * [GNU Affero General Public License 3.0 or later](https://github.com/andymatuschak/orbit/blob/master/LICENSE-AGPL-3.0-or-later) (strong copyleft, viral over the network)

  * [Business Software License 1.1](https://github.com/andymatuschak/orbit/blob/master/LICENSE-BUSL-1.1) ("eventually open source": permits all non-production use, transforms into the permissive [Apache License 2.0](https://github.com/andymatuschak/orbit/blob/master/LICENSE-Apache-2.0) after three years)

  * If you're interested in purchasing an alternative license, please [contact me](mailto:[email protected]).

* Official compiled binaries of the Orbit applications will be distributed under the [Apache License 2.0](https://github.com/andymatuschak/orbit/blob/master/LICENSE-Apache-2.0) (so that [organizations terrified of AGPL](https://opensource.google/docs/using/agpl-policy/) can install the end-user binaries onto their machines).



## Acknowledgements



Orbit was created by [Andy Matuschak](https://andymatuschak.org). It continues to develop the concept of the "[mnemonic medium](https://numinous.productions/ttft)" co-created with [Michael Nielsen](https://michaelnielsen.org). Orbit is a free service; our Patreon community helps it stay that way. You can [become a member](https://patreon.com/quantumcountry) to support the work, and to read regular patron-only articles and previews of upcoming projects.



Thanks in particular to my sponsor-level patrons:

[Adam Marblestone](http://www.adammarblestone.org),  [Adam Wiggins](https://twitter.com/hirodusk),  [Andrew Sutherland](https://asuth.com/), [Ben Springwater](https://twitter.com/benspringwater), [Bert Muthalaly](http://somethingdoneright.net/),  Boris Verbitsky, [Calvin French-Owen](http://calv.info/), [Dan Romero](https://danromero.org/), [David Wilkinson](https://david.wilkinson.xyz/about), [fnnch](https://fnnch.com/),  [James Hill-Khurana](https://jameshk.com/), James Lindenbaum, [Jesse Andrews](https://m4ke.org), [Kevin Lynagh](https://kevinlynagh.com/), [Lambda AI Hardware](https://lambdalabs.com/),  [Ludwig Petersson](https://twitter.com/ludwig), [Maksim Stepanenko](http://maksim.ms/), [Matt Knox](http://mattknox.com/), [Mickey McManus](http://www.t-1ventures.com/),  [Mintter](http://mintter.com/), [Nathan Lippi](http://nathanlippi.com/), [Patrick Collison](https://patrickcollison.com/), Paul Sutter,  [Peter Hartree](https://peterhartree.co.uk/), [Ross Boucher](http://rossboucher.com), [Russel Simmons](https://github.com/rsimmons/), [Salem Al-Mansoori](https://twitter.com/uncomposition) [Sana Labs](https://www.sanalabs.com/), [Thomas Honeyman](https://thomashoneyman.com/), [Tim O’Reilly](https://www.oreilly.com/tim/), Todor Markov, Tom Berry, [Tooz Wu](https://twitter.com/toozwu), William Clausen, [William Laitinen](https://www.exigeinternational.com/), [Yaniv Tal](https://twitter.com/yanivgraph).