Open Source Licenses
Last updated: September 20, 2026
Ambrose is built on open source software. This page lists the components we use and reproduces the copyright notices their licenses ask us to carry.
If you want a copy of any license text, or you have a question about something listed here, write to [email protected].
Delivered to your browser
These components run in your browser when you use Ambrose, so your copy of them arrives with the notices below.
Cytoscape.js
Copyright (c) 2016-2024, The Cytoscape Consortium.
MIT License
cytoscape-dagre
Copyright (c) 2016-2018, 2020, 2022, 2026, The Cytoscape Consortium.
MIT License
dagre
Copyright (c) 2012-2014 Chris Pettitt
MIT License
Alpine.js
Copyright (c) 2019-2025 Caleb Porzio and contributors
MIT License
Marked
Copyright (c) 2018+, MarkedJS (https://github.com/markedjs/)
Copyright (c) 2011-2018, Christopher Jeffrey (https://github.com/chjj/)
MIT License
Signature Pad
Copyright (c) 2018 Szymon Nowak
MIT License
Scalar API Reference
Copyright (c) 2023-present Scalar
MIT License. Used on our developer documentation site.
Fuse.js
Copyright (c) 2026 Kiro Risk
Apache License 2.0. Used on our developer documentation site.
The MIT License
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
The Apache License 2.0 is available at apache.org/licenses/LICENSE-2.0.
Geolocation data
Ambrose records the approximate location of a signature when a document is signed, as part of the signing audit trail.
This product includes GeoLite2 data created by MaxMind, available from https://www.maxmind.com.
GeoLite2 data is used under the Creative Commons Attribution-ShareAlike 4.0 International License, available at creativecommons.org/licenses/by-sa/4.0/legalcode.
Server side components
The components below run on Ambrose servers and are not distributed to you. We list them for completeness.
Show all server side components
MIT
@acemir/cssom, @anthropic-ai/sdk, @asamuzakjp/css-color, @asamuzakjp/dom-selector, @asamuzakjp/nwsapi, @babel/code-frame, @babel/helper-validator-identifier, @babel/runtime, @csstools/css-calc, @csstools/css-color-parser, @csstools/css-parser-algorithms, @csstools/css-tokenizer, @esbuild/linux-x64, @exodus/bytes, @pdf-lib/standard-fonts, @pdf-lib/upng, @pkgjs/parseargs, @stablelib/base64, @tootallnate/quickjs-emscripten, @types/archiver, @types/body-parser, @types/connect, @types/cookie-parser, @types/cors, @types/express, @types/express-serve-static-core, @types/geoip-lite, @types/http-errors, @types/js-yaml, @types/mime, @types/multer, @types/node, @types/node-cron, @types/nodemailer, @types/pg, @types/qs, @types/range-parser, @types/readdir-glob, @types/sanitize-html, @types/send, @types/serve-static, @types/yauzl, abort-controller, accepts, agent-base, ansi-regex, ansi-styles, append-field, archiver, archiver-utils, array-flatten, ast-types, async, asynckit, axios, balanced-match, base64-js, basic-ftp, bidi-js, bignumber.js, body-parser, brace-expansion, buffer, buffer-crc32, buffer-from, busboy, bytes, call-bind-apply-helpers, call-bound, callsites, chalk, cheerio, color-convert, color-name, combined-stream, composer, compress-commons, concat-map, concat-stream, content-disposition, content-type, cookie, cookie-parser, cookie-signature, core-util-is, cors, cosmiconfig, crc32-stream, cross-spawn, css-tree, cssstyle, csv-parse, data-uri-to-buffer, data-urls, dayjs, debug, decimal.js, deepmerge, degenerator, delayed-stream, depd, destroy, dom-serializer, dunder-proto, eastasianwidth, ee-first, emoji-regex, encodeurl, encoding-sniffer, end-of-stream, env-paths, error-ex, es-define-property, es-errors, es-object-atoms, es-set-tostringtag, esbuild, escalade, escape-html, escape-string-regexp, etag, event-target-shim, events, express, express-rate-limit, extend, fast-fifo, fast-xml-parser, fastapi, fd-slicer, fetch-blob, finalhandler, follow-redirects, form-data, formdata-polyfill, forwarded, fresh, function-bind, get-intrinsic, get-proto, get-stream, get-tsconfig, get-uri, gopd, has-flag, has-symbols, has-tostringtag, hasown, helmet, html-encoding-sniffer, htmlparser2, http-errors, http-proxy-agent, https-proxy-agent, iconv-lite, import-fresh, ip-address, ipaddr.js, is-arrayish, is-fullwidth-code-point, is-plain-object, is-potential-custom-element-name, is-stream, isarray, jose, js-tokens, js-yaml, jsbn, jsdom, json-bigint, json-parse-even-better-errors, json-schema-to-ts, jwa, jws, launder, lazy, lazystream, lines-and-columns, lodash, math-intrinsics, media-typer, merge-descriptors, methods, mime, mime-db, mime-types, mitt, ms, multer, nanoid, negotiator, netmask, node-domexception, node-fetch, normalize-path, object-assign, object-inspect, on-finished, pac-proxy-agent, pac-resolver, parent-module, parse-json, parse-srcset, parse5, parse5-htmlparser2-tree-adapter, parse5-parser-stream, parseurl, path-is-absolute, path-key, path-to-regexp, pdf-lib, pend, pg, pg-cloudflare, pg-connection-string, pg-pool, pg-protocol, pg-types, pgpass, postcss, postgres-array, postgres-bytea, postgres-date, postgres-interval, process, process-nextick-args, progress, proxy-addr, proxy-agent, proxy-from-env, pump, punycode, pydantic, range-parser, raw-body, readable-stream, require-directory, require-from-string, resolve-from, resolve-pkg-maps, safe-buffer, safer-buffer, sanitize-html, send, serve-static, shebang-command, shebang-regex, side-channel, side-channel-list, side-channel-map, side-channel-weakmap, smart-buffer, socks, socks-proxy-agent, standardwebhooks, statuses, streamsearch, streamx, string-width, string_decoder, strip-ansi, stripe, strnum, supports-color, symbol-tree, tailwindcss, tar-fs, tar-stream, teex, tldts, tldts-core, toidentifier, tr46, ts-algebra, tsx, type-is, typed-query-selector, typedarray, undici, undici-types, unpipe, util-deprecate, utils-merge, uuid, vary, w3c-xmlserializer, web-streams-polyfill, whatwg-encoding, whatwg-mimetype, whatwg-url, wrap-ansi, ws, xmlchars, xtend, yargs, yauzl, zip-stream, zod
Apache-2.0
@puppeteer/browsers, accelerate, adler-32, b4a, bare-events, bare-fs, bare-os, bare-path, bare-stream, bare-url, cfb, chromium-bidi, codepage, crc-32, ecdsa-sig-formatter, events-universal, frac, gaxios, gcp-metadata, geoip-lite, google-auth-library, google-logging-utils, googleapis, googleapis-common, huggingface_hub, puppeteer, puppeteer-core, readdir-glob, sentencepiece, ssf, text-decoder, transformers, typescript, webdriver-bidi-protocol, wmf, word, xlsx, xml-name-validator
ISC
@isaacs/cliui, boolbase, cliui, foreground-child, fs.realpath, get-caller-file, glob, graceful-fs, inflight, inherits, isexe, lru-cache, minimatch, node-cron, once, pg-int8, picocolors, rimraf, saxes, semver, setprototypeof, signal-exit, split2, which, wrappy, y18n, yargs-parser
BSD-2-Clause
cheerio-select, css-select, css-what, domelementtype, domhandler, domutils, dotenv, entities, escodegen, esprima, estraverse, esutils, extract-zip, nth-check, webidl-conversions
BSD-3-Clause
buffer-equal-constant-time, devtools-protocol, diff, firebase/php-jwt, ieee754, qs, source-map, source-map-js, sprintf-js, torch, tough-cookie, uvicorn
BlueOak-1.0.0
jackspeak, minipass, package-json-from-dist, path-scurry
MIT-0
@csstools/color-helpers, @csstools/css-syntax-patches-for-csstree, nodemailer
(MIT AND Zlib)
pako
0BSD
tslib
BSD
url-template
CC0-1.0
mdn-data
GPL-2.0-or-later
poppler-utils
LGPL-2.1-only
phpmailer/phpmailer
LGPL-3.0
wkhtmltopdf
MIT-CMU
Pillow
Python-2.0
argparse
Unlicense
fast-sha256