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sagemathinc
cocalc
TypeScript2015–2024
sagemathinc / cocalc · Archived

cocalc

(moved to https://github.com/sagemathinc/cocalc-ai) CoCalc: Collaborative Calculation in the Cloud

Command LineProductivityScience & EngineeringWeb DevelopmentData & DatabasesDevOps & Cloud
Explore on GitHubRead Hacker News discussions
3Distinct people
30Mentions
1Explicit recommenders
1.3KGitHub stars
REPOSITORY AT A GLANCE

What to know before exploring

What it is

(moved to https://github.com/sagemathinc/cocalc-ai) CoCalc: Collaborative Calculation in the Cloud

GitHub

Where it is used

No documented product use has been verified yet.

What people are saying

SageMathCloud (https://cloud.sagemath.com) is a completely open source (https://github.com/sagemathinc/smc/tree/rethinkdb) collaborative code editing environment built on…

williamstein used a recommendation phrase. One indexed comment matches. This is a phrase match, not a verdict.

No classified warning is attached to this page. Read the discussions before treating silence as approval.

Also in these discussions

No other repository is repeatedly linked in the same discussions.

This week on Hacker News

Nov 8–Nov 15 UTC · Direct repository links and separately labeled related project stories. Indexed through 11/15/2026, 2:04:58 PM UTC.

No direct repository links were found in the indexed HN discussions over the past seven days. Older discussions are available below.

Mentions over time

HN mentions by year30 dated mentions

Observed mentions: 2015-08-04 14:58:07 UTC to 2024-12-26 15:52:33 UTC.

02468102015-01-01 00:00:00 UTC to 2016-01-01 00:00:00 UTC (exclusive): 4 mentions; 0 submissions, 4 comments20152016-01-01 00:00:00 UTC to 2017-01-01 00:00:00 UTC (exclusive): 6 mentions; 0 submissions, 6 comments2017-01-01 00:00:00 UTC to 2018-01-01 00:00:00 UTC (exclusive): 10 mentions; 0 submissions, 10 comments2018-01-01 00:00:00 UTC to 2019-01-01 00:00:00 UTC (exclusive): 1 mentions; 0 submissions, 1 comments2019-01-01 00:00:00 UTC to 2020-01-01 00:00:00 UTC (exclusive): 3 mentions; 0 submissions, 3 comments20192020-01-01 00:00:00 UTC to 2021-01-01 00:00:00 UTC (exclusive): 1 mentions; 1 submissions, 0 comments2021-01-01 00:00:00 UTC to 2022-01-01 00:00:00 UTC (exclusive): 0 mentions; 0 submissions, 0 comments2022-01-01 00:00:00 UTC to 2023-01-01 00:00:00 UTC (exclusive): 1 mentions; 0 submissions, 1 comments2023-01-01 00:00:00 UTC to 2024-01-01 00:00:00 UTC (exclusive): 1 mentions; 0 submissions, 1 comments2024-01-01 00:00:00 UTC to 2025-01-01 00:00:00 UTC (exclusive): 3 mentions; 0 submissions, 3 comments2024

Counts come from the repository’s dated source evidence. Index cutoff: 2026-11-02 08:16:59 UTC.

View mention counts and date ranges
UTC ranges include their start and exclude their end. Select a period to filter the source evidence.
PeriodStart (UTC)End (exclusive, UTC)MentionsSubmissionsComments
20152015-01-01 00:00:00 UTC2016-01-01 00:00:00 UTC404
20162016-01-01 00:00:00 UTC2017-01-01 00:00:00 UTC606
20172017-01-01 00:00:00 UTC2018-01-01 00:00:00 UTC10010
20182018-01-01 00:00:00 UTC2019-01-01 00:00:00 UTC101
20192019-01-01 00:00:00 UTC2020-01-01 00:00:00 UTC303
20202020-01-01 00:00:00 UTC2021-01-01 00:00:00 UTC110
20212021-01-01 00:00:00 UTC2022-01-01 00:00:00 UTC000
20222022-01-01 00:00:00 UTC2023-01-01 00:00:00 UTC101
20232023-01-01 00:00:00 UTC2024-01-01 00:00:00 UTC101
20242024-01-01 00:00:00 UTC2025-01-01 00:00:00 UTC303

What Hacker News says

6 sources
williamstein·Sep 23, 2016
I know this is just a proof of concept demo, but the "Code Pad" mode is built on CodeMirror and becomes unusably slow as soon as the document gets at all large (few thousand lines) perhaps due to them not implemented a range of tricks for transforming CodeMirror's content efficiently, like the setValueNoJump extension here https://github.com/sagemathinc/smc/blob/master/src/smc-webap... DISCLAIMER: I've spent way too much time on synchronized CodeMirror editing...
In Cryptpad: Zero Knowledge, Collaborative Real Time Editing

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