Beaker is a notebook-style development environment for working interactively with large and complex datasets. Its plugin-based architecture allows you to switch between languages or add new ones with ease, ensuring that you always have the right tool for any of your analysis and visualization needs.

Terms of Use

By accessing this website and any materials presented herein (the “Site”), or by downloading any products or materials from this Site, you accept in their entirety and without modification the following terms and conditions pertaining to the use of the Site (“Terms of Use”). Two Sigma Open Source, LLC and its affiliates (collectively “Two Sigma”) reserve the right to change these Terms of Use without notice at any time. Any such change to these Terms of Use shall be effective upon posting to the Site. Accordingly, we suggest that you periodically review these Terms of Use when accessing or using the Site. You acknowledge and agree that Two Sigma may temporarily or permanently restrict, suspend or terminate the Terms of Use or your access to, and use of, all or any part of the Site, including any links to third-party sites, at any time, with or without cause, including but not limited to any breach of these Terms of Use as determined in Two Sigma’s sole and absolute discretion, and without prior notice or liability. Two Sigma will not be liable to you or any third party for any termination of your access to or use of the Site.

Each use of the Site constitutes your agreement to be bound by and comply with the then-current Terms of Use. If, at any time, you do not agree to be bound by or comply with these Terms of Use, then you should cease accessing or using this Site.

1. Ownership, Limited License to Use the Site

Two Sigma owns and maintains this Site. All information contained in this Site is intended solely for the use of those persons who have been granted permission to use this Site and who have agreed to these Terms of Use. Except as specifically permitted below, nothing contained in these Terms of Use or the Site itself either grants or will be construed to grant to you or any third party, by implication, estoppel or otherwise, any title or interest in, or any license or right to use or reproduce, any image, text, software, code, trademark, logo or service mark contained in the Site, including without limitation the name or logo of Beaker, Two Sigma, any of its affiliates and/or any other entity described on the Site. No act of downloading or otherwise copying from this Site will transfer title to any software or material to any user hereof. Any data that you transmit to the Site becomes the property of Two Sigma and may be used by Two Sigma for any lawful purpose without restriction, subject to the Privacy Policy. Two Sigma reserves, and will enforce to the fullest extent possible, all rights that it may have with respect to all material contained in the Site.

Two Sigma grants you a limited, nonexclusive license to display and otherwise use portions of the Site solely for your own private, non-commercial, informational purposes only, and to print pages from the Site only in connection with that use.

2. Usage Parameters

Prohibited Uses. In addition to the other limitations discussed in these Terms of Use, because all servers have limited capacity and are used by many people, you may not use the Site in any manner that could damage or overburden any Two Sigma server, or any network connected to any Two Sigma server. You may not use the Site in any manner that would interfere with any other party’s use of the Site. You may not use, transfer, distribute or dispose of any information contained in the Site in any manner that could compete with the business of Two Sigma.

Means of Access. The Site is generally intended to be viewed by a conventional Web browser. Although you may use other means to access the Site, be aware that the Site may not appear accurately through other access methods, and you use them only at your own risk. You are responsible for setting the cache settings on your browser to ensure that you are receiving the most recent data. You are responsible for obtaining and maintaining all equipment, services and other materials that you need to access and use the Site. You may not use any data mining, robots or similar data gathering and extraction programs or methods, whether automated or manual, to access, acquire, copy or monitor any portion of the Site or any data and content found on the Site, unless such devices or methods are expressly approved in advance by Two Sigma in writing.

Usage Monitoring. Two Sigma reserves the right, but does not have the obligation, to access, archive, or monitor any use of this Site, or your use of this Site and your communications to the Site. Any personal information collected during such monitoring will be used in accordance with Two Sigma’s then-current Privacy Policy. By using the Site, you accept Two Sigma’s right to access, archive, and/or monitor usage to ensure service quality, or to evaluate the Site, the security of the Site, compliance with these Terms of Use, compliance with applicable laws, rules or regulations or for any other reason. You agree that Two Sigma’s monitoring activities will not entitle you to any cause of action or other right with respect to the manner in which Two Sigma monitors your Site usage and enforces, or fails to enforce, these Terms of Use. You further agree that in no event will Two Sigma be liable for any damages incurred by you as a result of Two Sigma’s usage monitoring.

3. Disclaimer; No Advice

The primary mission of Two Sigma Open Source, LLC (“TSOS”) is to promote, manage and maintain open source software projects. TSOS is affiliated with Two Sigma Investments, LP, Two Sigma Advisers, LP and Two Sigma Securities, LLC, which (along with certain of their affiliates) engage in various investment advisory and broker-dealer activities. However, TSOS is not involved in the financial services businesses of these entities. Under no circumstances should any material on the site be used or considered as an offer to sell or a solicitation of an offer to buy any security, including any interest in any investment fund sponsored or managed by any Two Sigma entity, or any investment advisory services offered by any Two Sigma entity.

4. Privacy Policy

Two Sigma’s Privacy Policy applies to use of this Site, and its terms are made a part of these Terms of Use by this reference. To view Two Sigma’s Privacy Policy, click here.

5. No Reliance

While Two Sigma uses reasonable efforts to update the information contained in the Site, Two Sigma makes no representations or warranties as to the accuracy, reliability or completeness of any information at or on the Site. Any content of the Site is subject to change without notice. Permission by Two Sigma to access this Site should not be construed as, or relied upon as, investment, financial, legal, regulatory, accounting, tax or similar advice.

6. Materials to be Consulted in their Entirety

All materials at the Site are meant to be reviewed in their entirety, including any footnotes, legal disclaimers, restrictions, disclosures, hedge clauses and any copyright or proprietary notices, including those contained in these Terms of Use. Any disclaimers, restrictions, disclosures or hedge clauses apply to any partial document or material in the same manner as they do the whole, and will be deemed incorporated in the portion of any material or document that you consult or download.

Two Sigma has not reviewed any of the websites that may be linked to the Site, and is not responsible for the content of off-site pages or any other website linked or linking to this Site. Two Sigma is not responsible for the privacy practices of such other websites. Your linking to or use of any websites other than this Site is at your own risk. Two Sigma’s inclusion of links to other websites does not imply any endorsement of any kind by Two Sigma of the material located on or linked to by such websites and should not be deemed as such by any user of the Site. Two Sigma disclaims any responsibility for the products or services offered or the information contained on any websites other than this Site.

8. No Warranty

TWO SIGMA AND ITS OFFICERS, DIRECTORS, MEMBERS, PRINCIPALS, INVESTORS, AGENTS AND EMPLOYEES MAKE NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SITE AND/OR THE ACCURACY, ADEQUACY, RELIABILITY, TIMELINESS, COMPLETENESS, SUITABILITY OR OTHER CHARACTERISTICS OF THE INFORMATION AND MATERIALS CONTAINED ON OR PRESENTED THROUGH THE SITE. THIS SITE AND ALL SUCH INFORMATION AND MATERIALS ARE PROVIDED “AS IS”, WITHOUT ANY WARRANTY OF ANY KIND, AND ON AN “AS AVAILABLE” BASIS. TWO SIGMA, TO THE FULLEST EXTENT PERMITTED BY LAW, HEREBY EXPRESSLY DISCLAIMS ALL REPRESENTATIONS AND WARRANTIES, EXPRESS OR IMPLIED, AS TO THE SITE, ANY MATTER RELATED TO THE SITE AND SUCH INFORMATION AND MATERIALS ON THE SITE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE, NON-INFRINGEMENT AND AVAILABILITY. TWO SIGMA EXPRESSLY DISCLAIMS LIABILITY FOR ERRORS AND OMISSIONS IN THE SITE OR THE INFORMATION AND MATERIALS CONTAINED THEREIN.

You acknowledge that you are aware that by using this Site you may be subject to security and privacy exploitations, including, eavesdropping, sniffing, spoofing, hacking, breaking passwords, harassment, exposure to objectionable material, posturing, and/or other security or privacy hazards.

TWO SIGMA AND ITS OFFICERS, DIRECTORS, MEMBERS, PRINCIPALS, INVESTORS, AGENTS AND EMPLOYEES FURTHER ASSUME NO RESPONSIBILITY FOR, AND MAKE NO WARRANTIES THAT, INFORMATION, SERVICES OR FUNCTIONS CONTAINED AT THIS SITE WILL BE UNINTERRUPTED OR ERROR-FREE, THAT DEFECTS WILL BE CORRECTED, OR THAT THE SITE OR THE SERVER THAT MAKES IT AVAILABLE WILL BE FREE OF VIRUSES, WORMS, “TROJAN HORSES” OR OTHER HARMFUL COMPONENTS. TWO SIGMA AND ITS OFFICERS, DIRECTORS, MEMBERS, PRINCIPALS, INVESTORS, AGENTS AND EMPLOYEES SHALL NOT BE LIABLE FOR ANY DAMAGES OF ANY TYPE OR KIND TO YOUR COMPUTER, VIRUSES THAT MAY INFECT YOUR COMPUTER, OR SERVICES REPAIRS OR CORRECTIONS THAT MUST BE PERFORMED ON YOUR COMPUTER OR OTHER PROPERTY ON ACCOUNT OF YOUR ACCESS OR USE OF THE SITE.

9. Limitation of Liability; Indemnification

IN NO EVENT SHALL TWO SIGMA OR ITS OFFICERS, DIRECTORS, MEMBERS, PRINCIPALS, INVESTORS, CLIENTS, AGENTS OR EMPLOYEES BE LIABLE FOR ANY CLAIMS, LIABILITIES, LOSSES, COSTS OR DAMAGES OF ANY KIND, INCLUDING DIRECT, INDIRECT, PUNITIVE, EXEMPLARY, INCIDENTAL, SPECIAL , LOST PROFITS OR CONSEQUENTIAL DAMAGES, ARISING OUT OF OR IN ANY WAY CONNECTED WITH (I) THE USE OF OR INABILITY TO ACCESS AND/OR USE THE SITE OR WITH ANY DELAY IN USING THE SITE, INCLUDING BUT NOT LIMITED TO LOSS OF REVENUE, TRADING, PROFITS, ANTICIPATED PROFITS, BUSINESS, SAVINGS, GOODWILL, USE, OPPORTUNITY OR DATA; (II) ANY INFORMATION AND MATERIALS CONTAINED ON OR OBTAINED THROUGH THE SITE; OR (III) OTHERWISE ARISING OUT OF THE ACCESS TO AND/OR USE OF THE SITE; IN ANY CASE WHETHER BASED ON THEORIES ARISING IN CONTRACT, TORT (INCLUDING BUT NOT LIMITED TO NEGLIGENCE), STRICT LIABILITY OR OTHERWISE. THE FOREGOING LIMITATIONS APPLY EVEN IF TWO SIGMA OR ANY OF ITS OFFICERS, DIRECTORS, MEMBERS, PRINCIPALS, INVESTORS, CLIENTS, AGENTS OR EMPLOYEES HAVE BEEN ADVISED OF THE POSSIBILITY OF DAMAGES OR COULD HAVE FORESEEN THE DAMAGES. FURTHER, NONE OF TWO SIGMA OR ANY OF ITS OFFICERS, DIRECTORS, MEMBERS, PRINCIPALS, INVESTORS, CLIENTS, AGENTS OR EMPLOYEES WILL BE RESPONSIBLE FOR ANY FAILURE TO COMPLY, BY YOU OR ANY THIRD PARTY, WITH THESE TERMS OF USE OR WITH APPLICABLE FEDERAL, STATE AND/OR LOCAL LAWS. SOME JURISDICTIONS LIMIT THE EXCLUSION OF DAMAGES OR LIMITATION OF LIABILITY, SO THE ABOVE EXCLUSIONS AND LIMITATIONS MAY NOT APPLY TO YOU. IF ANY PART OF THE EXCLUSIONS OR DAMAGES OR LIMITATION OF LIABILITY SET FORTH ABOVE IS UNENFORCEABLE UNDER APPLICABLE LAW, THE AGGREGATE LIABILITY OF TWO SIGMA OR ITS OFFICERS, DIRECTORS, MEMBERS, PRINCIPALS, INVESTORS, AGENTS AND EMPLOYEES WILL BE LIMITED TO THE MAXIMUM EXTENT PERMITTED BY SUCH LAW. IN NO EVENT SHALL TWO SIGMA’S TOTAL LIABILITY TO YOU FOR ALL DAMAGES, LOSSES AND CAUSES OF ACTION (WHETHER IN CONTRACT OR TORT, INCLUDING BUT NOT LIMITED TO, NEGLIGENCE) EXCEED THE AMOUNT PAID BY YOU, IF ANY, FOR ACCESSING THIS SITE OR $50, WHICHEVER AMOUNT IS LOWER.

These limitations of liability will apply regardless of: (i) any negligence or gross negligence of Two Sigma or any of its officers, directors, members, principals, investors, clients, agents or employees or (ii) whether the liability arises in negligence, gross negligence, strict liability, contract, tort (including negligence or gross negligence) or any other theory of legal liability; and will remain in effect even if any remedy fails of its essential purpose.

Your sole remedy for dissatisfaction with your use of the Site is to stop using the Site.

You hereby agree, at your own expense, to indemnify, defend and hold Two Sigma and its officers, directors, members, principals, investors, agents and employees harmless from and against any and all liability costs incurred by these parties in connection with any claim arising out of any breach by you of these Terms of Use or any of the representations, warranties and covenants made by you herein, including, without limitation, attorneys’ fees and costs. You shall cooperate as fully as reasonably required or requested in the defense of any such claim. Two Sigma reserves the right, at its own expense, to assume the exclusive defense and control of any matter otherwise subject to indemnification by you and you shall not in any event settle any matter without the written consent of Two Sigma.

10. General

These Terms of Use are governed by the internal laws of the State of New York, without reference to its conflicts of laws provisions. You consent to the jurisdiction of, and venue shall lie in, any federal or state court located in the Borough of Manhattan, New York City as the exclusive jurisdiction and venue for the adjudication of all disputes arising out of or relating to the use of the Site. You hereby appoint the Secretary of State of the State of New York as your agent for service of process in any such proceeding.

Any notice to Two Sigma shall be given in writing and sent by registered mail to Two Sigma Open Source, LLC, 100 Avenue of the Americas, 16th Floor, New York, NY 10013, Attention: Beaker TOU Matters, or at such successor address as designated by Two Sigma in its sole discretion from time to time.

If any provision of these Terms of Use is held to be invalid or unenforceable in any jurisdiction, such provision shall be deemed modified to the minimum extent necessary so that such provision shall no longer be held to be invalid or unenforceable, and these Terms of Use shall be interpreted so as to achieve the intent expressed herein to the greatest extent possible in the jurisdiction in question. Any such modification, invalidity or unenforceability shall be strictly limited both to such provision and to such jurisdiction.

Beaker is a trademark of Two Sigma Open Source, LLC.

Last Updated September 19, 2014