Yet Another Perl Conference (YAPC), from 2016–2019 called The Perl Conference (TPC), from 2020 on The Perl and Raku Conference, is a series of conferences discussing the

Perl Perl is a high-level, general-purpose, interpreted, dynamic programming language. Though Perl is not officially an acronym, there are various backronyms in use, including "Practical Extraction and Reporting Language". Perl was developed ...

programming language A programming language is a system of notation for writing computer programs. Programming languages are described in terms of their Syntax (programming languages), syntax (form) and semantics (computer science), semantics (meaning), usually def ...

, usually organized under the auspices of The Perl Foundation and Yet Another Society, a "non-profit corporation for the advancement of collaborative efforts in computer and information sciences". The name is an homage to

yacc Yacc (Yet Another Compiler-Compiler) is a computer program for the Unix operating system developed by Stephen C. Johnson. It is a lookahead left-to-right rightmost derivation (LALR) parser generator, generating a LALR parser (the part of a co ...

, "

Yet Another A naming convention as a form of computer humour especially among playful programmers, yet another is often abbreviated ya, Ya, or YA in the prefix of an acronym or backronym. This humorous prefix is an idiomatic qualifier in the name of a compu ...

Compiler Compiler". The first YAPC was held at

Carnegie Mellon University Carnegie Mellon University (CMU) is a private research university in Pittsburgh, Pennsylvania, United States. The institution was established in 1900 by Andrew Carnegie as the Carnegie Technical Schools. In 1912, it became the Carnegie Institu ...

Pittsburgh, Pennsylvania Pittsburgh ( ) is a city in Allegheny County, Pennsylvania, United States, and its county seat. It is the List of municipalities in Pennsylvania#Municipalities, second-most populous city in Pennsylvania (after Philadelphia) and the List of Un ...

, US on June 24 and June 25, 1999. Organizer

Kevin Lenzo Kevin Lenzo (born 1967) is an American computer scientist. He wrote the initial infobot, founded The Perl Foundation (and was its chairman until 2007) and the Yet Another Perl Conferences (YAPC)., released CMU Sphinx into Open source, founded ...

assembled 31 different speakers into the schedule on various Perl-related topics. The idea of a low-cost Perl conference quickly spread with a

Europe Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere. It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, the Mediterranean Sea to the south, and Asia to the east ...

an version of YAPC established in 2000,

Israel Israel, officially the State of Israel, is a country in West Asia. It Borders of Israel, shares borders with Lebanon to the north, Syria to the north-east, Jordan to the east, Egypt to the south-west, and the Mediterranean Sea to the west. Isr ...

in 2003,

Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...

in 2004,

Asia Asia ( , ) is the largest continent in the world by both land area and population. It covers an area of more than 44 million square kilometres, about 30% of Earth's total land area and 8% of Earth's total surface area. The continent, which ...

and

Brazil Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population ...

in 2005, and

Russia Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...

in 2008. The only continents never to have hosted a YAPC are

Africa Africa is the world's second-largest and second-most populous continent after Asia. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 20% of Earth's land area and 6% of its total surfac ...

and

Antarctica Antarctica () is Earth's southernmost and least-populated continent. Situated almost entirely south of the Antarctic Circle and surrounded by the Southern Ocean (also known as the Antarctic Ocean), it contains the geographic South Pole. ...

. In 2016, YAPC rebranded itself as The Perl Conference, which is the former name of

O'Reilly Open Source Convention The O'Reilly Open Source Convention (OSCON) was an American annual convention for the discussion of free and open-source software. It was organized by publisher O'Reilly Media and was held each summer, mostly in Portland, Oregon, from 1999 to ...

(OSCON). As of 2020, it is now calling itself The Perl and Raku Conference to reflect the renaming of Perl 6 to Raku.

Locations

North America

* 1999: Pittsburgh, Pennsylvania, USA (June 24 – June 25, 1999
YAPC::NA 1999
* 2000: Pittsburgh, Pennsylvania, USA (June 21 – June 23, 2000
YAPC::NA 19100
* 2001: Montréal, Québec, Canada (June 13 – June 15, 2001
YAPC::NA 2001
* 2002: Saint Louis, Missouri, USA (June 26 – June 28, 2002
YAPC::NA 2002
* 2003: Canada:

Ottawa, Ontario, Canada Ottawa is the capital city of Canada. It is located in the southern Ontario, southern portion of the province of Ontario, at the confluence of the Ottawa River and the Rideau River. Ottawa borders Gatineau, Gatineau, Quebec, and forms the cor ...

(May 15 – May 16, 2003) (held as YAPC::Canada
YAPC::Canada
* 2003: America: Boca Raton, Florida, USA (June 16 – June 18, 2003
YAPC::NA 2003
* 2004: Buffalo, New York, USA (June 16 – June 18, 2004
YAPC::NA 2004
* 2005: Toronto, Ontario, Canada (June 27 – June 29, 2005
YAPC::NA 2005
* 2006: Chicago, Illinois, USA (June 26 – June 30, 2006) 2006
YAPC::NA 2006
* 2007: Houston, Texas, USA (June 25 – June 27, 2007
YAPC::NA 2007
* 2008: Chicago, Illinois, USA (June 16 – June 18, 2008
YAPC::NA 2008
* 2009: Pittsburgh, Pennsylvania, USA (June 22 – June 24, 2009
YAPC::NA 2009
* 2010: Columbus, Ohio, USA (June 21 – June 23, 2010
YAPC::NA 2010
* 2011: Asheville, North Carolina, USA (June 27 – June 30, 2011
YAPC::NA 2011
* 2012: Madison, Wisconsin, USA (June 13 – June 15, 2012
YAPC::NA 2012
* 2013: Austin, Texas, USA (June 3 – June 5, 2013
YAPC::NA 2013
* 2014: Orlando, Florida, USA (June 23 – June 25, 2014
YAPC::NA 2014
* 2015:

Salt Lake City, Utah, USA Salt Lake City, often shortened to Salt Lake or SLC, is the List of capitals in the United States, capital and List of cities and towns in Utah, most populous city of the U.S. state of Utah. It is the county seat of Salt Lake County, Utah, Salt ...

(June 8 – June 10, 2015
YAPC::NA 2015
* 2016: Orlando, Florida, USA (June 20 – June 22, 2016
YAPC::NA 2016
* 2017: Alexandria, Virginia, USA (June 18 – June 23, 2017
The Perl Conference in DC
* 2018: Salt Lake City, Utah, USA (June 17 – June 22, 2018
The Perl Conference in Salt Lake City
* 2019: Pittsburgh, Pennsylvania, USA (June 16 – June 21, 2019
The Perl Conference in Pittsburgh
* 2020: Online (due to

COVID-19 Coronavirus disease 2019 (COVID-19) is a contagious disease caused by the coronavirus SARS-CoV-2. In January 2020, the disease spread worldwide, resulting in the COVID-19 pandemic. The symptoms of COVID‑19 can vary but often include fever ...

) (Wednesday 24th to Friday 26th 2020
Perl and Raku 'Conference in the Cloud'
** Replace
TPCiH 2020 Houston
Tuesday, planned June 23rd through Saturday, June 27th * 2021 Conference in the Cloud ( June 8 - June 10, 2021
The Perl and Raku Conference in the Cloud
* 2022:

Houston, TX Houston ( ) is the most populous city in the U.S. state of Texas and in the Southern United States. Located in Southeast Texas near Galveston Bay and the Gulf of Mexico, it is the seat of Harris County, as well as the principal city of ...

(June 22 - June 24, 2022
TPCiH 2022 Houston
* 2023: Toronto, CA (July 11 - July 13, 2023
The Perl and Raku Conference in Toronto
* 2024: Las Vegas, NV (June 24 - June 28, 2024
TPRC Las Vegas, NV
* 2025:

Greenville, SC Greenville ( ; ) is a city in Greenville County, South Carolina, United States, and its county seat. With a population of 70,720 at the 2020 census, it is the sixth-most populous city in the state. The Greenville metropolitan area had 928,1 ...

(June 27 - June 29, 2025
TPRC Greenville, SC

Europe

* 2000:

London, England London is the Capital city, capital and List of urban areas in the United Kingdom, largest city of both England and the United Kingdom, with a population of in . London metropolitan area, Its wider metropolitan area is the largest in Wester ...

(September 22-September 24, 2000
YAPC::EU 2000
* 2001:

Amsterdam, Netherlands Amsterdam ( , ; ; ) is the capital and largest city of the Kingdom of the Netherlands. It has a population of 933,680 in June 2024 within the city proper, 1,457,018 in the urban area and 2,480,394 in the metropolitan area. Located in the D ...

(August 2-August 4, 2001
YAPC::EU 2001
* 2002:

Munich, Germany Munich is the capital and most populous city of Bavaria, Germany. As of 30 November 2024, its population was 1,604,384, making it the third-largest city in Germany after Berlin and Hamburg. Munich is the largest city in Germany that is no ...

(September 18-September 20, 2002
YAPC::EU 2002
* 2003:

Paris, France Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, largest city of France. With an estimated population of 2,048,472 residents in January 2025 in an area of more than , Paris is the List of ci ...

(July 23-July 25, 2003
YAPC::EU 2003
* 2004:

Belfast, Northern Ireland Belfast (, , , ; from ) is the capital city and principal port of Northern Ireland, standing on the banks of the River Lagan and connected to the open sea through Belfast Lough and the North Channel (Great Britain and Ireland), North Channel ...

(September 15-September 17, 2004
YAPC::EU 2004
* 2005: Braga, Portugal (August 31-September 2, 2005
YAPC::EU 2005 ''Perl Everywhere''
* 2006: Birmingham, England (August 30-September 1, 2006
YAPC::EU 2006
* 2007:

Vienna, Austria Vienna ( ; ; ) is the capital city, capital, List of largest cities in Austria, most populous city, and one of Federal states of Austria, nine federal states of Austria. It is Austria's primate city, with just over two million inhabitants. ...

(August 28–30, 2007
YAPC::EU 2007 ''Social Perl''
* 2008: Copenhagen, Denmark (August 13–15, 2008
YAPC::EU 2008 ''Beautiful Perl''
* 2009:

Lisbon, Portugal Lisbon ( ; ) is the capital and largest city of Portugal, with an estimated population of 567,131, as of 2023, within its administrative limits and 3,028,000 within the Lisbon Metropolitan Area, metropolis, as of 2025. Lisbon is mainlan ...

(August 3–5, 2009
YAPC::EU 2009 ''Corporate Perl''
* 2010:

Pisa, Italy Pisa ( ; ) is a city and ''comune'' (municipality) in Tuscany, Central Italy, straddling the Arno just before it empties into the Ligurian Sea. It is the capital city of the Province of Pisa. Although Pisa is known worldwide for the Leaning Tow ...

(August 4–6, 2010
YAPC::EU 2010 ''The Renaissance of Perl''
* 2011:

Riga, Latvia Riga ( ) is the capital, primate, and largest city of Latvia. Home to 591,882 inhabitants (as of 2025), the city accounts for a third of Latvia's total population. The population of Riga metropolitan area, which stretches beyond the city lim ...

(August 15–17, 2011
YAPC::EU 2011 ''Modern Perl''
* 2012:

Frankfurt, Germany Frankfurt am Main () is the most populous city in the German state of Hesse. Its 773,068 inhabitants as of 2022 make it the fifth-most populous city in Germany. Located in the foreland of the Taunus on its namesake Main, it forms a contin ...

(August 20–22, 2012
YAPC::EU 2012
* 2013:

Kyiv, Ukraine Kyiv, also Kiev, is the capital and most populous List of cities in Ukraine, city of Ukraine. Located in the north-central part of the country, it straddles both sides of the Dnieper, Dnieper River. As of 1 January 2022, its population was 2, ...

(August 12–14, 2013
YAPC::EU 2013 ''Future Perl''
* 2014:

Sofia, Bulgaria Sofia is the Capital city, capital and List of cities and towns in Bulgaria, largest city of Bulgaria. It is situated in the Sofia Valley at the foot of the Vitosha mountain, in the western part of the country. The city is built west of the Is ...

(August 22–24, 2014
YAPC::EU 2014
* 2015: Granada, Spain (September 2–4, 2015
YAPC::EU 2015 ''Art+Engineering''
* 2016: Cluj-Napoca, Romania (August 24–26, 2016
YAPC::Europe 2016
* 2017: Amsterdam, the Netherlands (August 9–11, 2017
The Perl Conference in Amsterdam
* 2018:

Glasgow Glasgow is the Cities of Scotland, most populous city in Scotland, located on the banks of the River Clyde in Strathclyde, west central Scotland. It is the List of cities in the United Kingdom, third-most-populous city in the United Kingdom ...

(August 13–17, 2018
The Perl Conference in Glasgow
* 2019:

Riga Riga ( ) is the capital, Primate city, primate, and List of cities and towns in Latvia, largest city of Latvia. Home to 591,882 inhabitants (as of 2025), the city accounts for a third of Latvia's total population. The population of Riga Planni ...

(August 7–9, 2019
PerlCon
* 2020:

Amsterdam Amsterdam ( , ; ; ) is the capital of the Netherlands, capital and Municipalities of the Netherlands, largest city of the Kingdom of the Netherlands. It has a population of 933,680 in June 2024 within the city proper, 1,457,018 in the City Re ...

(August 10-14 2020
Perl & Raku Con in Amsterdam
- cancelled due to the Coronavirus pandemic * 2023:

Helsinki Helsinki () is the Capital city, capital and most populous List of cities and towns in Finland, city in Finland. It is on the shore of the Gulf of Finland and is the seat of southern Finland's Uusimaa region. About people live in the municipali ...

(August 14-18 2023
Perl & Koha Conference in Helsinki

Israel

* 2003:

Haifa Haifa ( ; , ; ) is the List of cities in Israel, third-largest city in Israel—after Jerusalem and Tel Aviv—with a population of in . The city of Haifa forms part of the Haifa metropolitan area, the third-most populous metropolitan area i ...

(May 11, 2003
YAPC::Israel::2003
* 2004:

Herzliya Herzliya ( ; , / ) is an affluent List of Israeli cities, city in the Israeli coastal plain, central coast of Israel, at the northern part of the Tel Aviv District, known for its robust start-up and entrepreneurial culture. In it had a populatio ...

(February 26, 2004
YAPC::Israel::2004
* 2005: Herzliya (February 17, 2005
YAPC::Israel::2005
* 2006:

Netanya Netanya () () or Natanya (), is a city in the "Planet Bekasi" Central District (Israel), Setanyahu of Israel, Israel BAB ih, and is the capital of the surrounding Sharon plain. It is north of Tel Aviv, and south of Haifa, between the Poleg stre ...

. In 2006, YAPC::Israel became OSDC::Israel
OSDC::Israel 2006

Russia & Ukraine

* 2008:

Moscow, Russia Moscow is the Capital city, capital and List of cities and towns in Russia by population, largest city of Russia, standing on the Moskva (river), Moskva River in Central Russia. It has a population estimated at over 13 million residents with ...

(May 17–18, 2008
YAPC::Russia 2008 ''May Perl''
* 2009: Moscow, Russia (May 16–17, 2009
YAPC::Russia 2009 ''May Perl 2''
* 2010:

(June 12–14, 2010
YAPC::Russia 2010 ''May Perl + Perl Mova''
* 2011: Moscow, Russia (May 14–15, 2011
YAPC::Russia 2011 ''May Perl + Perl Mova''
* 2012: Kyiv, Ukraine (May 12–13, 2012
YAPC::Russia ''May Perl''
* no event held in 2013, due to YAPC::Europe 2013 taking place in Kyiv * 2014: St. Petersburg, Russia (June 13–14, 2014
YAPC::Russia 2014
* 2015: Moscow, Russia (May 16–17, 2015
YAPC::Russia 2015
* 2017: Moscow, Russia (November 4, 2016) YAPC::Russia 2017

Australia

* The first YAPC::Australia was held as part of the 2004 OSDC in

Melbourne Melbourne ( , ; Boonwurrung language, Boonwurrung/ or ) is the List of Australian capital cities, capital and List of cities in Australia by population, most populous city of the States and territories of Australia, Australian state of Victori ...

from December 1-December 5, 2004, and has been held jointly thereafter.

South America

These events are held in conjunction with CONISLI. * 2006:

Porto Alegre Porto Alegre (, ; , ; ) is the capital and largest city of the Brazilian Federative units of Brazil, state of Rio Grande do Sul. Its population of roughly 1.4 million inhabitants (2022) makes it the List of largest cities in Brazil, 11th-most p ...

/ RS (April 19-April 22, 2006
YAPC::SA::2006
* 2007: Porto Alegre/RS (April 11-April 14, 2007
YAPC::SA::2007
* 2008: Porto Alegre/RS (April 17-April 19, 2008
YAPC::SA::2008
* 2009: Porto Alegre/RS (June 24-June 27, 2009
YAPC::SA::2009

Brazil

* 2005: Porto Alegre/RS (June 1-June 5, 2005) YAPC::Brasil 2005 * 2006:

São Paulo São Paulo (; ; Portuguese for 'Paul the Apostle, Saint Paul') is the capital of the São Paulo (state), state of São Paulo, as well as the List of cities in Brazil by population, most populous city in Brazil, the List of largest cities in the ...

/SP,

(November 3-November 5, 2006
YAPC::Brasil 2006
* 2007: São Paulo/SP,

(November 9-November 11, 2007
YAPC::Brasil 2007
* 2008: São Paulo/SP,

(October 18-October 19, 2008
YAPC::Brasil 2008
* 2009:

Niterói Niterói () is a List of municipalities in Rio de Janeiro, municipality in the state of Rio de Janeiro (state), Rio de Janeiro, in the Southeast Region, Brazil, southeast region of Brazil. It lies across Guanabara Bay, facing the city of Rio de ...

/RJ,

(October 30-November 1, 2009
YAPC::Brasil 2009
* 2010:

Fortaleza Fortaleza ( ; ; ) is the state capital of Ceará, located in Northeast Region, Brazil, Northeastern Brazil. It is Brazil's 4th largest city—Fortaleza surpassed Salvador, Bahia, Salvador in 2022 census with a population of slightly over 2.4 mi ...

/CE,

(October 25-October 31, 2010
YAPC::Brasil 2010 ''Perl: Solução e Integração de Negócios''
* 2011:

Rio de Janeiro Rio de Janeiro, or simply Rio, is the capital of the Rio de Janeiro (state), state of Rio de Janeiro. It is the List of cities in Brazil by population, second-most-populous city in Brazil (after São Paulo) and the Largest cities in the America ...

/RJ,

(November 4-November 6, 2011
YAPC::Brasil 2011
* 2012: São Paulo/SP,

(October 19-October 20, 2012
YAPC::Brasil 2012 ''A revolução dos dados''
* 2013:

Curitiba Curitiba () is the capital and largest city in the state of Paraná (state), Paraná in Southern Brazil. The city's population was 1,773,718 , making it the List of cities in Brazil by population, eighth most populous city in Brazil and the larg ...

/PR,

(November 15-November 16, 2013
YAPC::Brasil 2013 ''Universo Científico e Perl Hacking''
* 2014: Itapema/SC,

(September 19-September 20, 2014
YAPC::Brasil 2014 ''Soluções Tecnológicas para Gestão Pública''
* 2015: Taubaté/SP,

(September 18-September 20, 2015
YAPC::Brasil 2015 ''Perl Community and CPAN''

Asia

* 2004:

Taipei , nickname = The City of Azaleas , image_map = , map_caption = , pushpin_map = Taiwan#Asia#Pacific Ocean#Earth , coordinates = , subdivision_type = Country ...

Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia. The main geography of Taiwan, island of Taiwan, also known as ''Formosa'', lies between the East China Sea, East and South China Seas in the northwestern Pacific Ocea ...

(March 27-March 28, 2004
YAPC::2004::Taipei
* 2005: Taipei, Taiwan (March 26-March 27, 2005) (held as YAPC::Taipei
YAPC::2005::Taipei
* 2006:

Tokyo, Japan Tokyo, officially the Tokyo Metropolis, is the capital of Japan, capital and List of cities in Japan, most populous city in Japan. With a population of over 14 million in the city proper in 2023, it is List of largest cities, one of the most ...

(March 29-March 30, 2006
YAPC::Asia 2006
* 2007: Tokyo, Japan (April 4-April 5, 2007
YAPC::Asia 2007
* 2008: Tokyo, Japan (May 15-May 16, 2008
YAPC::Asia 2008
* 2009: Tokyo, Japan (September 10-September 11, 2009
YAPC::Asia 2009
* 2010: Tokyo, Japan (October 15-October 16, 2010
YAPC::Asia 2010
* 2011: Tokyo, Japan (October 14-October 15, 2011
YAPC::Asia 2011
* 2012: Tokyo, Japan (September 27-September 29, 2012
YAPC::Asia 2012
* 2013: Tokyo, Japan (September 19-September 21, 2013
YAPC::Asia 2013
* 2014: Tokyo, Japan (August 28-August 30, 2014
YAPC::Asia 2014
* 2015: Tokyo, Japan (August 20-August 22, 2015
YAPC::Asia 2015
* 2016: Hokkaido, Japan (09-10 December 2016
YAPC::Hokkaido
* 2017: Kansai (3-4 March 2017
YAPC::Kansai 2017
* 2017: Fukuoka (30th June - 1st July
YAPC::Fukuoka 2017
* 2018: Okinawa (2-3 March 201
YAPC::Okinawa 2018
* 2019: Tokyo, Japan (25-26 January 2019
YAPC::Tokyo 2019
* 2020: Kyoto, Japan (March 27 - 28 2020
YAPC::Kyoto 2020
* 2021: Online, YAPC::Japan (February 18-19, 2021
YAPC::Japan 2021
* 2022: Online, YAPC::Japan (March 4-5, 2022
YAPC::Japan 2022
* 2022: Kyoto, Japan (March 19 2023
YAPC::Kyoto 2023
* 2024: Hiroshima, Japan (February 10, 2024
YAPC::Hiroshima 2024
* 2024: Hakodate, Japan (October 5, 2024
YAPC::Hakodate 2024

External links

YAPC Official Site

The Perl and Raku Conference North America

YAPC::Europe Foundation

YAPC::Russia

YAPC::Asia
{{Perl Free-software conferences Perl