Owner

opensanctions

10 indexed repositories · View on GitHub

opensanctions
An open database of international sanctions data, persons of interest and politically exposed persons

Python · 810 stars
nomenklatura
Framework and command-line tools for integrating FollowTheMoney data streams from multiple sources

Python · 267 stars
yente
API for OpenSanctions with support for entity search and bulk matching of data collections. Supports Reconciliation API spec.

Python · 178 stars
followthemoney
Data model and processing tools for investigative entity graphs. Used by OpenSanctions, OpenAleph and dozens of other fincrime tools.

Python · 99 stars
countrynames
Utility library to turn country names into ISO two-letter codes

Python · 72 stars
rigour
Data cleaning and validation functions for names, languages, identifiers, etc.

Python · 67 stars
poliloom
Help build the world's largest open database of politicians.

Python · 22 stars
pravda
The evidence layer

Python · 6 stars
funes
Turns the web into structured data

Python · 3 stars
unmhtml
MHTML to HTML converter library using Python stdlib

Python · 1 star

Beginner friendly Everything

Open All

Do not recommend a place QID entity if that entity only has one wikibase link coming from cebuano wikipedia Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

opensanctions/poliloom#169 · Opened Sep 20, 2026
Bound /match name queries by resource budgets Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

opensanctions/yente#1264 · Opened Sep 18, 2026
kg_fiu_national: source host unreachable since 2026-09-17, origin down during site relaunch Open

daily-issues

Difficulty 2/5 1-3 hours Newbie friendliness 30/100

opensanctions/opensanctions#5700 · Opened Sep 18, 2026
Statuses declared on YenteError subclasses are dead code Open

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

opensanctions/yente#1263 · Opened Sep 18, 2026
With more than one scope configured, a lost shard silently drops results instead of erroring Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

opensanctions/yente#1260 · 1 comment · Opened Sep 17, 2026
Review dataset tags Open

data-quality docs

opensanctions/opensanctions#5692 · 1 assignee · Opened Sep 17, 2026
Bring curated CSV datasets in line with the documented conventions Open

opensanctions/opensanctions#5688 · 1 assignee · Opened Sep 16, 2026
Grouping of Properties Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

opensanctions/followthemoney#381 · 2 comments · Opened Sep 14, 2026
Rework n-gram candidate retrieval: per-token trigrams on comparable parts Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

opensanctions/yente#1254 · Opened Sep 13, 2026
Two normalisation families in the match index: names/ngrams (ES analyzer) vs name_parts (rigour) Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

opensanctions/yente#1253 · Opened Sep 13, 2026
Candidate retrieval penalises entities with many aliases via the names text clause Open

Difficulty 4/5 3-5 days Newbie friendliness 65/100

opensanctions/yente#1252 · Opened Sep 13, 2026
logic-v2: name scoring quality findings (short tokens, extras, symbol edges, initials, spelling, stopwords, consolidation, ties) Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

opensanctions/nomenklatura#366 · Opened Sep 13, 2026
compare_parts: skip residue comparisons that cannot produce a paired cluster Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 48/100

opensanctions/rigour#288 · Opened Sep 13, 2026
logic-v2: remove per-pair Python overhead in match_name_symbolic Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 48/100

opensanctions/nomenklatura#365 · Opened Sep 13, 2026
logic-v2: best-first pair ordering and upper-bound early exit in name_match Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 48/100

opensanctions/nomenklatura#364 · Opened Sep 13, 2026
bz_national_assembly: source site suspended by host (Account Suspended page) Open

daily-issues

Difficulty 1/5 Under an hour Newbie friendliness 25/100

opensanctions/opensanctions#5661 · Opened Sep 11, 2026
[md_interdictie] tender.gov.md unreachable (connect timeout) since 2026-09-09 Open

daily-issues

Difficulty 4/5 3-5 days Newbie friendliness 45/100

opensanctions/opensanctions#5659 · Opened Sep 11, 2026
proposal: source string in eu_journal CSVs Open

zavod

Difficulty 5/5 Over a week Newbie friendliness 35/100

opensanctions/opensanctions#5654 · 1 comment · Opened Sep 10, 2026
pravda for fetching and archiving evidence Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

opensanctions/opensanctions#5651 · 1 comment · Opened Sep 10, 2026
[docs] Rube Goldberg / CSV format best practices Open

opensanctions/opensanctions#5650 · 3 comments · 1 assignee · Opened Sep 10, 2026
Occupancy:date for observed date Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

opensanctions/opensanctions#5627 · 1 comment · Opened Sep 7, 2026
worldbank_debarred: the "Other Sanctions" table on the same page is not crawled Open

Difficulty 5/5 Over a week Newbie friendliness 38/100

opensanctions/opensanctions#5604 · Opened Sep 3, 2026
[us_finra_actions] site migrated from a paginated HTML table to a web-component portal Open

daily-issues

opensanctions/opensanctions#5591 · 1 assignee · Opened Sep 2, 2026
ru_mfa_sanctions crawler fails with ValueError: Expected 1 elements, got 0 for xpath './/table' Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

opensanctions/opensanctions#5588 · Opened Sep 1, 2026
[research] Mapping regional territorial designations Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

opensanctions/opensanctions#5587 · Opened Sep 1, 2026
Domain names have no home in the model Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

opensanctions/followthemoney#364 · 1 comment · Opened Sep 1, 2026
Adopt the new FtM Control schema (edges, analyzer, crawlers) Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

opensanctions/opensanctions#5568 · 3 comments · Opened Aug 30, 2026
Cache LLM requests to skip redundant extraction calls Open

Difficulty 5/5 Over a week Newbie friendliness 38/100

opensanctions/funes#26 · Opened Aug 27, 2026
Add description and/or aliases below place QID for birthplace suggestion Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

opensanctions/poliloom#168 · Opened Aug 26, 2026
[tm_mejlis] mejlis.gov.tm unreachable from our network path (Zyte 421) Open

daily-issues

Difficulty 4/5 3-5 days Newbie friendliness 28/100

opensanctions/opensanctions#5489 · 1 comment · Opened Aug 19, 2026
Diplomatic positions carry only the receiving country (P137 not read) Open

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

opensanctions/opensanctions#5475 · Opened Aug 18, 2026
Refactor cleaning.py Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

opensanctions/opensanctions#5474 · Opened Aug 18, 2026
claude skill: crawler-narrative (article-based sources) Open

opensanctions/opensanctions#5467 · 1 assignee · Opened Aug 18, 2026
us_or_med_exclusions: oregon.gov authoritative nameservers unreachable (source DNS outage) Open

daily-issues

Difficulty 3/5 1-2 days Newbie friendliness 35/100

opensanctions/opensanctions#5455 · Opened Aug 17, 2026
15-digit Chinese 注册号 carries a division-code prefix that cross-checks against the USCC Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

opensanctions/opensanctions#5444 · 2 comments · Opened Aug 15, 2026
move pravda into opensanctions/opensanctions Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

opensanctions/pravda#19 · 1 comment · Opened Aug 13, 2026
[us_ofac_cons] Ownership:asset should reference Asset, but 277 references point at Organization Open

daily-issues

Difficulty 4/5 3-5 days Newbie friendliness 45/100

opensanctions/opensanctions#5417 · Opened Aug 12, 2026
[us_ofac_sdn] Ownership:asset should reference Asset, but 3178 references point at Organization Open

daily-issues

Difficulty 4/5 3-5 days Newbie friendliness 55/100

opensanctions/opensanctions#5416 · 3 comments · Opened Aug 12, 2026
lifespan() hangs before yield — server never starts accepting connections (aiocron.crontab call never returns) Open

Difficulty 4/5 3-5 days Newbie friendliness 68/100

opensanctions/yente#1235 · 2 comments · Opened Aug 11, 2026
[us_ar_med_exclusions] review / fix name and property value validity Open

bug

opensanctions/opensanctions#5400 · 1 assignee · Opened Aug 10, 2026
cr_legislature: asamblea.go.cr unreachable (TCP connect timeout) since 2026-08-08 Open

daily-issues

Difficulty 1/5 Under an hour Newbie friendliness 20/100

opensanctions/opensanctions#5395 · 1 comment · Opened Aug 10, 2026
could zavod just check whether original_value differs from value? Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

opensanctions/opensanctions#5341 · 3 comments · Opened Aug 6, 2026
Drop nested table rows in h.parse_html_table Open

Difficulty 3/5 1-2 days Newbie friendliness 50/100

opensanctions/opensanctions#5322 · Opened Aug 5, 2026
[us_ofac] Consider a secondary crawler over the SLS REST API Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

opensanctions/opensanctions#5239 · 1 comment · Opened Jul 31, 2026
[us_ofac_sdn, us_ofac_cons] Use the documented SLS download endpoint instead of the legacy treasury.gov URLs Open

daily-issues

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

opensanctions/opensanctions#5238 · Opened Jul 31, 2026
Match label language with selected language Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

opensanctions/poliloom#167 · 1 comment · Opened Jul 30, 2026
Add h.apply_phone() helper for phone numbers Open

zavod

Difficulty 5/5 Over a week Newbie friendliness 35/100

opensanctions/opensanctions#5213 · Opened Jul 30, 2026
[cy_companies] File is broken Open

daily-issues

Difficulty 3/5 1-2 days Newbie friendliness 45/100

opensanctions/opensanctions#5212 · 3 comments · Opened Jul 30, 2026
NumberType.parse rejects some values it could parse precisely Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

opensanctions/followthemoney#340 · Opened Jul 30, 2026
Feature: controlled-vocabulary 'active' flag on Sanction entities Open

Difficulty 5/5 Over a week Newbie friendliness 42/100

opensanctions/opensanctions#5169 · 1 comment · Opened Jul 28, 2026

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