Leaflet
Volodymyr Agafonkin and contributors · GIS & mapping
Lightweight open-source JavaScript library for interactive tile-based web maps with markers, vector layers and a large plugin ecosystem
92 tools
Volodymyr Agafonkin and contributors · GIS & mapping
Lightweight open-source JavaScript library for interactive tile-based web maps with markers, vector layers and a large plugin ecosystem
Mapbox, Inc. · GIS & mapping
Commercial mapping platform with vector tiles, map styling, geocoding, directions and SDKs for web, iOS and Android, billed by usage
MapLibre Organization · GIS & mapping
Open-source vector-tile map renderers for web (GL JS) and native platforms, forked from Mapbox GL and governed by a community organisation
marimo (acquisition by CoreWeave announced October 2025) · Notebooks & interactive computing
Reactive Python notebook stored as a plain .py file that re-runs dependent cells automatically and doubles as a script or web app
MathWorks · Mathematical & statistical computing
MathWorks' commercial numeric computing environment and language for engineers and scientists, with toolboxes, Simulink integration, apps and MATLAB Online
Elsevier · Citation management
Free reference manager from Elsevier with a desktop and web app, PDF annotation, a Web Importer, groups and bundled cloud storage
Mermaid project (Knut Sveidqvist and contributors) · Design & prototyping
JavaScript library that renders flowcharts, sequence, class, state, ER, Gantt and other diagrams from a Markdown-like text syntax
Metabase, Inc. · BI & dashboards
Self-hostable BI tool with a no-code question builder, SQL editor, dashboards and embedding; AGPL open-source edition plus commercial Pro and Enterprise
Microsoft · Productivity suites & task management
Microsoft's subscription suite of Office desktop and web apps, Exchange email, OneDrive, SharePoint and Teams with Copilot and Graph APIs
Microsoft · Cloud & hosting providers
Microsoft's public cloud with virtual machines, AKS, Azure Functions, Cosmos DB, Azure Database for PostgreSQL, Entra ID identity and Microsoft Foundry for hosted AI models
Microsoft · BI & dashboards
Microsoft's business-intelligence suite: free Windows Power BI Desktop for modeling and reports, and the Power BI service in Microsoft Fabric for sharing
Microsoft · Collaboration & communication
Microsoft's chat, meetings and calling hub integrated with Microsoft 365, SharePoint and Entra ID, extensible through Microsoft Graph and Teams apps
Moodle Pty Ltd (Moodle HQ) · Collaboration & communication
Open-source learning management system used by universities and schools for courses, assignments, quizzes, grading and forums, self-hosted or via MoodleCloud
Neon (Databricks) · Relational databases
Serverless PostgreSQL service with separated storage and compute, instant database branching and scale-to-zero, now part of Databricks
Observable, Inc. · Notebooks & interactive computing
JavaScript data notebooks and the open-source Observable Framework static-site generator for data apps, from the maintainers of D3 and Plot
Odoo S.A. · CRM & business operations
Modular open-source business suite (CRM, invoicing, accounting, inventory, website, HR) with an LGPL community edition and a hosted or licensed enterprise edition
OpenAI · Coding agents & AI IDEs
OpenAI's coding agent: an open-source Rust terminal CLI plus IDE extension, desktop app and cloud agent, signed in with a ChatGPT plan or an API key
ORCID, Inc. · Research dissemination
Non-profit registry of persistent researcher identifiers (ORCID iDs) with user-controlled records, Public and Member APIs, OAuth sign-in and an annual CC0 public data file
Center for Open Science · Reproducibility & research software
Free, open-source research management platform from the Center for Open Science for projects, preregistrations, registries, preprint services and linking outputs across storage providers
OVH Groupe SA · Cloud & hosting providers
European cloud and hosting provider offering dedicated bare-metal servers, public and hosted private cloud, VPS, domains and web hosting from data centers in Europe, Canada and elsewhere
Paperpile LLC · Citation management
Subscription reference manager that lives in the browser and Google Drive, with citation plugins for Google Docs and Word and mobile apps
Pinecone Systems, Inc. · Vector databases
Fully managed, proprietary vector database service with serverless indexes, namespaces, metadata filtering and integrated embedding and reranking
Plotly Technologies Inc. · Data visualization
MIT-licensed interactive charting libraries for Python (plotly.py), JavaScript (plotly.js) and R, plus the Dash framework for analytical web apps
Postman, Inc. · API development & tooling
Commercial API platform for designing, testing, documenting and monitoring HTTP and other APIs through a desktop and web client with cloud-synced workspaces
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